; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=loop-vectorize,dce,instcombine -force-vector-interleave=1 -force-vector-width=4 -S | FileCheck --check-prefix VEC4_INTERL1 %s
; RUN: opt < %s -passes=loop-vectorize,dce,instcombine -force-vector-interleave=2 -force-vector-width=4 -S | FileCheck --check-prefix VEC4_INTERL2 %s
; RUN: opt < %s -passes=loop-vectorize,dce,instcombine -force-vector-interleave=2 -force-vector-width=1 -S | FileCheck --check-prefix VEC1_INTERL2 %s
; RUN: opt < %s -passes=loop-vectorize,dce,simplifycfg,instcombine,simplifycfg -force-vector-interleave=1 -force-vector-width=2 -simplifycfg-require-and-preserve-domtree=1 -keep-loops=false -S | FileCheck --check-prefix VEC2_INTERL1_PRED_STORE %s

@fp_inc = common global float 0.000000e+00, align 4

;void fp_iv_loop1(float init, ptr __restrict__ A, int N) {
;  float x = init;
;  for (int i=0; i < N; ++i) {
;    A[i] = x;
;    x -= fp_inc;
;  }
;}


define void @fp_iv_loop1_fast_FMF(float %init, ptr noalias nocapture %A, i32 %N) {
; VEC4_INTERL1-LABEL: @fp_iv_loop1_fast_FMF(
; VEC4_INTERL1-NEXT:  entry:
; VEC4_INTERL1-NEXT:    [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
; VEC4_INTERL1-NEXT:    br i1 [[CMP4]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
; VEC4_INTERL1:       for.body.lr.ph:
; VEC4_INTERL1-NEXT:    [[FPINC:%.*]] = load float, ptr @fp_inc, align 4
; VEC4_INTERL1-NEXT:    [[TMP0:%.*]] = zext i32 [[N]] to i64
; VEC4_INTERL1-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 4
; VEC4_INTERL1-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; VEC4_INTERL1:       vector.ph:
; VEC4_INTERL1-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP0]], 4294967292
; VEC4_INTERL1-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC4_INTERL1-NEXT:    [[TMP1:%.*]] = fmul fast float [[FPINC]], [[DOTCAST]]
; VEC4_INTERL1-NEXT:    [[IND_END:%.*]] = fsub fast float [[INIT:%.*]], [[TMP1]]
; VEC4_INTERL1-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[INIT]], i64 0
; VEC4_INTERL1-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL1-NEXT:    [[DOTSPLATINSERT2:%.*]] = insertelement <4 x float> poison, float [[FPINC]], i64 0
; VEC4_INTERL1-NEXT:    [[DOTSPLAT3:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT2]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL1-NEXT:    [[TMP2:%.*]] = fmul fast <4 x float> [[DOTSPLAT3]], <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00>
; VEC4_INTERL1-NEXT:    [[INDUCTION:%.*]] = fsub fast <4 x float> [[DOTSPLAT]], [[TMP2]]
; VEC4_INTERL1-NEXT:    [[TMP3:%.*]] = fmul fast float [[FPINC]], 4.000000e+00
; VEC4_INTERL1-NEXT:    [[DOTSPLATINSERT4:%.*]] = insertelement <4 x float> poison, float [[TMP3]], i64 0
; VEC4_INTERL1-NEXT:    [[DOTSPLAT5:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT4]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL1-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC4_INTERL1:       vector.body:
; VEC4_INTERL1-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL1-NEXT:    [[VEC_IND:%.*]] = phi <4 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL1-NEXT:    [[TMP4:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC4_INTERL1-NEXT:    store <4 x float> [[VEC_IND]], ptr [[TMP4]], align 4
; VEC4_INTERL1-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; VEC4_INTERL1-NEXT:    [[VEC_IND_NEXT]] = fsub fast <4 x float> [[VEC_IND]], [[DOTSPLAT5]]
; VEC4_INTERL1-NEXT:    [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC4_INTERL1-NEXT:    br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; VEC4_INTERL1:       middle.block:
; VEC4_INTERL1-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP0]]
; VEC4_INTERL1-NEXT:    br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
; VEC4_INTERL1:       scalar.ph:
; VEC4_INTERL1-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ]
; VEC4_INTERL1-NEXT:    [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ]
; VEC4_INTERL1-NEXT:    br label [[FOR_BODY:%.*]]
; VEC4_INTERL1:       for.body:
; VEC4_INTERL1-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
; VEC4_INTERL1-NEXT:    [[X_05:%.*]] = phi float [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ]
; VEC4_INTERL1-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; VEC4_INTERL1-NEXT:    store float [[X_05]], ptr [[ARRAYIDX]], align 4
; VEC4_INTERL1-NEXT:    [[ADD]] = fsub fast float [[X_05]], [[FPINC]]
; VEC4_INTERL1-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; VEC4_INTERL1-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; VEC4_INTERL1-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
; VEC4_INTERL1-NEXT:    br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]]
; VEC4_INTERL1:       for.end.loopexit:
; VEC4_INTERL1-NEXT:    br label [[FOR_END]]
; VEC4_INTERL1:       for.end:
; VEC4_INTERL1-NEXT:    ret void
;
; VEC4_INTERL2-LABEL: @fp_iv_loop1_fast_FMF(
; VEC4_INTERL2-NEXT:  entry:
; VEC4_INTERL2-NEXT:    [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
; VEC4_INTERL2-NEXT:    br i1 [[CMP4]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
; VEC4_INTERL2:       for.body.lr.ph:
; VEC4_INTERL2-NEXT:    [[FPINC:%.*]] = load float, ptr @fp_inc, align 4
; VEC4_INTERL2-NEXT:    [[TMP0:%.*]] = zext i32 [[N]] to i64
; VEC4_INTERL2-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 8
; VEC4_INTERL2-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; VEC4_INTERL2:       vector.ph:
; VEC4_INTERL2-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP0]], 4294967288
; VEC4_INTERL2-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC4_INTERL2-NEXT:    [[TMP1:%.*]] = fmul fast float [[FPINC]], [[DOTCAST]]
; VEC4_INTERL2-NEXT:    [[IND_END:%.*]] = fsub fast float [[INIT:%.*]], [[TMP1]]
; VEC4_INTERL2-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[INIT]], i64 0
; VEC4_INTERL2-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL2-NEXT:    [[DOTSPLATINSERT2:%.*]] = insertelement <4 x float> poison, float [[FPINC]], i64 0
; VEC4_INTERL2-NEXT:    [[DOTSPLAT3:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT2]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL2-NEXT:    [[TMP2:%.*]] = fmul fast <4 x float> [[DOTSPLAT3]], <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00>
; VEC4_INTERL2-NEXT:    [[INDUCTION:%.*]] = fsub fast <4 x float> [[DOTSPLAT]], [[TMP2]]
; VEC4_INTERL2-NEXT:    [[TMP3:%.*]] = fmul fast float [[FPINC]], 4.000000e+00
; VEC4_INTERL2-NEXT:    [[DOTSPLATINSERT4:%.*]] = insertelement <4 x float> poison, float [[TMP3]], i64 0
; VEC4_INTERL2-NEXT:    [[DOTSPLAT5:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT4]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL2-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC4_INTERL2:       vector.body:
; VEC4_INTERL2-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL2-NEXT:    [[VEC_IND:%.*]] = phi <4 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL2-NEXT:    [[STEP_ADD:%.*]] = fsub fast <4 x float> [[VEC_IND]], [[DOTSPLAT5]]
; VEC4_INTERL2-NEXT:    [[TMP4:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC4_INTERL2-NEXT:    store <4 x float> [[VEC_IND]], ptr [[TMP4]], align 4
; VEC4_INTERL2-NEXT:    [[TMP5:%.*]] = getelementptr inbounds float, ptr [[TMP4]], i64 4
; VEC4_INTERL2-NEXT:    store <4 x float> [[STEP_ADD]], ptr [[TMP5]], align 4
; VEC4_INTERL2-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
; VEC4_INTERL2-NEXT:    [[VEC_IND_NEXT]] = fsub fast <4 x float> [[STEP_ADD]], [[DOTSPLAT5]]
; VEC4_INTERL2-NEXT:    [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC4_INTERL2-NEXT:    br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; VEC4_INTERL2:       middle.block:
; VEC4_INTERL2-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP0]]
; VEC4_INTERL2-NEXT:    br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
; VEC4_INTERL2:       scalar.ph:
; VEC4_INTERL2-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ]
; VEC4_INTERL2-NEXT:    [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ]
; VEC4_INTERL2-NEXT:    br label [[FOR_BODY:%.*]]
; VEC4_INTERL2:       for.body:
; VEC4_INTERL2-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
; VEC4_INTERL2-NEXT:    [[X_05:%.*]] = phi float [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ]
; VEC4_INTERL2-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; VEC4_INTERL2-NEXT:    store float [[X_05]], ptr [[ARRAYIDX]], align 4
; VEC4_INTERL2-NEXT:    [[ADD]] = fsub fast float [[X_05]], [[FPINC]]
; VEC4_INTERL2-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; VEC4_INTERL2-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; VEC4_INTERL2-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
; VEC4_INTERL2-NEXT:    br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]]
; VEC4_INTERL2:       for.end.loopexit:
; VEC4_INTERL2-NEXT:    br label [[FOR_END]]
; VEC4_INTERL2:       for.end:
; VEC4_INTERL2-NEXT:    ret void
;
; VEC1_INTERL2-LABEL: @fp_iv_loop1_fast_FMF(
; VEC1_INTERL2-NEXT:  entry:
; VEC1_INTERL2-NEXT:    [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
; VEC1_INTERL2-NEXT:    br i1 [[CMP4]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
; VEC1_INTERL2:       for.body.lr.ph:
; VEC1_INTERL2-NEXT:    [[FPINC:%.*]] = load float, ptr @fp_inc, align 4
; VEC1_INTERL2-NEXT:    [[TMP0:%.*]] = zext i32 [[N]] to i64
; VEC1_INTERL2-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[N]], 1
; VEC1_INTERL2-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; VEC1_INTERL2:       vector.ph:
; VEC1_INTERL2-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP0]], 4294967294
; VEC1_INTERL2-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC1_INTERL2-NEXT:    [[TMP1:%.*]] = fmul fast float [[FPINC]], [[DOTCAST]]
; VEC1_INTERL2-NEXT:    [[IND_END:%.*]] = fsub fast float [[INIT:%.*]], [[TMP1]]
; VEC1_INTERL2-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC1_INTERL2:       vector.body:
; VEC1_INTERL2-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC1_INTERL2-NEXT:    [[DOTCAST2:%.*]] = sitofp i64 [[INDEX]] to float
; VEC1_INTERL2-NEXT:    [[TMP2:%.*]] = fmul fast float [[FPINC]], [[DOTCAST2]]
; VEC1_INTERL2-NEXT:    [[OFFSET_IDX:%.*]] = fsub fast float [[INIT]], [[TMP2]]
; VEC1_INTERL2-NEXT:    [[TMP3:%.*]] = fsub fast float [[OFFSET_IDX]], [[FPINC]]
; VEC1_INTERL2-NEXT:    [[TMP4:%.*]] = or i64 [[INDEX]], 1
; VEC1_INTERL2-NEXT:    [[TMP5:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC1_INTERL2-NEXT:    [[TMP6:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP4]]
; VEC1_INTERL2-NEXT:    store float [[OFFSET_IDX]], ptr [[TMP5]], align 4
; VEC1_INTERL2-NEXT:    store float [[TMP3]], ptr [[TMP6]], align 4
; VEC1_INTERL2-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
; VEC1_INTERL2-NEXT:    [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC1_INTERL2-NEXT:    br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; VEC1_INTERL2:       middle.block:
; VEC1_INTERL2-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP0]]
; VEC1_INTERL2-NEXT:    br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
; VEC1_INTERL2:       scalar.ph:
; VEC1_INTERL2-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ]
; VEC1_INTERL2-NEXT:    [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ]
; VEC1_INTERL2-NEXT:    br label [[FOR_BODY:%.*]]
; VEC1_INTERL2:       for.body:
; VEC1_INTERL2-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
; VEC1_INTERL2-NEXT:    [[X_05:%.*]] = phi float [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ]
; VEC1_INTERL2-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; VEC1_INTERL2-NEXT:    store float [[X_05]], ptr [[ARRAYIDX]], align 4
; VEC1_INTERL2-NEXT:    [[ADD]] = fsub fast float [[X_05]], [[FPINC]]
; VEC1_INTERL2-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; VEC1_INTERL2-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; VEC1_INTERL2-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
; VEC1_INTERL2-NEXT:    br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]]
; VEC1_INTERL2:       for.end.loopexit:
; VEC1_INTERL2-NEXT:    br label [[FOR_END]]
; VEC1_INTERL2:       for.end:
; VEC1_INTERL2-NEXT:    ret void
;
; VEC2_INTERL1_PRED_STORE-LABEL: @fp_iv_loop1_fast_FMF(
; VEC2_INTERL1_PRED_STORE-NEXT:  entry:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[CMP4]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
; VEC2_INTERL1_PRED_STORE:       for.body.lr.ph:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[FPINC:%.*]] = load float, ptr @fp_inc, align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP0:%.*]] = zext i32 [[N]] to i64
; VEC2_INTERL1_PRED_STORE-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[N]], 1
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[FOR_BODY:%.*]], label [[VECTOR_PH:%.*]]
; VEC2_INTERL1_PRED_STORE:       vector.ph:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP0]], 4294967294
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP1:%.*]] = fmul fast float [[FPINC]], [[DOTCAST]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[IND_END:%.*]] = fsub fast float [[INIT:%.*]], [[TMP1]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <2 x float> poison, float [[INIT]], i64 0
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <2 x float> [[DOTSPLATINSERT]], <2 x float> poison, <2 x i32> zeroinitializer
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTSPLATINSERT2:%.*]] = insertelement <2 x float> poison, float [[FPINC]], i64 0
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTSPLAT3:%.*]] = shufflevector <2 x float> [[DOTSPLATINSERT2]], <2 x float> poison, <2 x i32> zeroinitializer
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP2:%.*]] = fmul fast <2 x float> [[DOTSPLAT3]], <float 0.000000e+00, float 1.000000e+00>
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDUCTION:%.*]] = fsub fast <2 x float> [[DOTSPLAT]], [[TMP2]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP3:%.*]] = fmul fast float [[FPINC]], 2.000000e+00
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTSPLATINSERT4:%.*]] = insertelement <2 x float> poison, float [[TMP3]], i64 0
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTSPLAT5:%.*]] = shufflevector <2 x float> [[DOTSPLATINSERT4]], <2 x float> poison, <2 x i32> zeroinitializer
; VEC2_INTERL1_PRED_STORE-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC2_INTERL1_PRED_STORE:       vector.body:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[VEC_IND:%.*]] = phi <2 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP4:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC2_INTERL1_PRED_STORE-NEXT:    store <2 x float> [[VEC_IND]], ptr [[TMP4]], align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
; VEC2_INTERL1_PRED_STORE-NEXT:    [[VEC_IND_NEXT]] = fsub fast <2 x float> [[VEC_IND]], [[DOTSPLAT5]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; VEC2_INTERL1_PRED_STORE:       middle.block:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP0]]
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[CMP_N]], label [[FOR_END]], label [[FOR_BODY]]
; VEC2_INTERL1_PRED_STORE:       for.body:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[X_05:%.*]] = phi float [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; VEC2_INTERL1_PRED_STORE-NEXT:    store float [[X_05]], ptr [[ARRAYIDX]], align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    [[ADD]] = fsub fast float [[X_05]], [[FPINC]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; VEC2_INTERL1_PRED_STORE-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; VEC2_INTERL1_PRED_STORE-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]]
; VEC2_INTERL1_PRED_STORE:       for.end:
; VEC2_INTERL1_PRED_STORE-NEXT:    ret void
;
entry:
  %cmp4 = icmp sgt i32 %N, 0
  br i1 %cmp4, label %for.body.lr.ph, label %for.end

for.body.lr.ph:                                   ; preds = %entry
  %fpinc = load float, ptr @fp_inc, align 4
  br label %for.body

for.body:                                         ; preds = %for.body, %for.body.lr.ph
  %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]
  %x.05 = phi float [ %init, %for.body.lr.ph ], [ %add, %for.body ]
  %arrayidx = getelementptr inbounds float, ptr %A, i64 %indvars.iv
  store float %x.05, ptr %arrayidx, align 4
  %add = fsub fast float %x.05, %fpinc
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
  %exitcond = icmp eq i32 %lftr.wideiv, %N
  br i1 %exitcond, label %for.end.loopexit, label %for.body

for.end.loopexit:                                 ; preds = %for.body
  br label %for.end

for.end:                                          ; preds = %for.end.loopexit, %entry
  ret void
}

; We do not need the full 'fast' FMF to vectorize the loop, but the code can't become
; 'fast' spontaneously - FMF should propagate from the original IR.

define void @fp_iv_loop1_reassoc_FMF(float %init, ptr noalias nocapture %A, i32 %N) {
;
;
;
;
; VEC4_INTERL1-LABEL: @fp_iv_loop1_reassoc_FMF(
; VEC4_INTERL1-NEXT:  entry:
; VEC4_INTERL1-NEXT:    [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
; VEC4_INTERL1-NEXT:    br i1 [[CMP4]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
; VEC4_INTERL1:       for.body.lr.ph:
; VEC4_INTERL1-NEXT:    [[FPINC:%.*]] = load float, ptr @fp_inc, align 4
; VEC4_INTERL1-NEXT:    [[TMP0:%.*]] = zext i32 [[N]] to i64
; VEC4_INTERL1-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 4
; VEC4_INTERL1-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; VEC4_INTERL1:       vector.ph:
; VEC4_INTERL1-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP0]], 4294967292
; VEC4_INTERL1-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC4_INTERL1-NEXT:    [[TMP1:%.*]] = fmul reassoc float [[FPINC]], [[DOTCAST]]
; VEC4_INTERL1-NEXT:    [[IND_END:%.*]] = fsub reassoc float [[INIT:%.*]], [[TMP1]]
; VEC4_INTERL1-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[INIT]], i64 0
; VEC4_INTERL1-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL1-NEXT:    [[DOTSPLATINSERT2:%.*]] = insertelement <4 x float> poison, float [[FPINC]], i64 0
; VEC4_INTERL1-NEXT:    [[DOTSPLAT3:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT2]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL1-NEXT:    [[TMP2:%.*]] = fmul reassoc <4 x float> [[DOTSPLAT3]], <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00>
; VEC4_INTERL1-NEXT:    [[INDUCTION:%.*]] = fsub reassoc <4 x float> [[DOTSPLAT]], [[TMP2]]
; VEC4_INTERL1-NEXT:    [[TMP3:%.*]] = fmul reassoc float [[FPINC]], 4.000000e+00
; VEC4_INTERL1-NEXT:    [[DOTSPLATINSERT4:%.*]] = insertelement <4 x float> poison, float [[TMP3]], i64 0
; VEC4_INTERL1-NEXT:    [[DOTSPLAT5:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT4]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL1-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC4_INTERL1:       vector.body:
; VEC4_INTERL1-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL1-NEXT:    [[VEC_IND:%.*]] = phi <4 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL1-NEXT:    [[TMP4:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC4_INTERL1-NEXT:    store <4 x float> [[VEC_IND]], ptr [[TMP4]], align 4
; VEC4_INTERL1-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; VEC4_INTERL1-NEXT:    [[VEC_IND_NEXT]] = fsub reassoc <4 x float> [[VEC_IND]], [[DOTSPLAT5]]
; VEC4_INTERL1-NEXT:    [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC4_INTERL1-NEXT:    br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
; VEC4_INTERL1:       middle.block:
; VEC4_INTERL1-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP0]]
; VEC4_INTERL1-NEXT:    br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
; VEC4_INTERL1:       scalar.ph:
; VEC4_INTERL1-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ]
; VEC4_INTERL1-NEXT:    [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ]
; VEC4_INTERL1-NEXT:    br label [[FOR_BODY:%.*]]
; VEC4_INTERL1:       for.body:
; VEC4_INTERL1-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
; VEC4_INTERL1-NEXT:    [[X_05:%.*]] = phi float [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ]
; VEC4_INTERL1-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; VEC4_INTERL1-NEXT:    store float [[X_05]], ptr [[ARRAYIDX]], align 4
; VEC4_INTERL1-NEXT:    [[ADD]] = fsub reassoc float [[X_05]], [[FPINC]]
; VEC4_INTERL1-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; VEC4_INTERL1-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; VEC4_INTERL1-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
; VEC4_INTERL1-NEXT:    br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
; VEC4_INTERL1:       for.end.loopexit:
; VEC4_INTERL1-NEXT:    br label [[FOR_END]]
; VEC4_INTERL1:       for.end:
; VEC4_INTERL1-NEXT:    ret void
;
; VEC4_INTERL2-LABEL: @fp_iv_loop1_reassoc_FMF(
; VEC4_INTERL2-NEXT:  entry:
; VEC4_INTERL2-NEXT:    [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
; VEC4_INTERL2-NEXT:    br i1 [[CMP4]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
; VEC4_INTERL2:       for.body.lr.ph:
; VEC4_INTERL2-NEXT:    [[FPINC:%.*]] = load float, ptr @fp_inc, align 4
; VEC4_INTERL2-NEXT:    [[TMP0:%.*]] = zext i32 [[N]] to i64
; VEC4_INTERL2-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 8
; VEC4_INTERL2-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; VEC4_INTERL2:       vector.ph:
; VEC4_INTERL2-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP0]], 4294967288
; VEC4_INTERL2-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC4_INTERL2-NEXT:    [[TMP1:%.*]] = fmul reassoc float [[FPINC]], [[DOTCAST]]
; VEC4_INTERL2-NEXT:    [[IND_END:%.*]] = fsub reassoc float [[INIT:%.*]], [[TMP1]]
; VEC4_INTERL2-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[INIT]], i64 0
; VEC4_INTERL2-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL2-NEXT:    [[DOTSPLATINSERT2:%.*]] = insertelement <4 x float> poison, float [[FPINC]], i64 0
; VEC4_INTERL2-NEXT:    [[DOTSPLAT3:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT2]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL2-NEXT:    [[TMP2:%.*]] = fmul reassoc <4 x float> [[DOTSPLAT3]], <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00>
; VEC4_INTERL2-NEXT:    [[INDUCTION:%.*]] = fsub reassoc <4 x float> [[DOTSPLAT]], [[TMP2]]
; VEC4_INTERL2-NEXT:    [[TMP3:%.*]] = fmul reassoc float [[FPINC]], 4.000000e+00
; VEC4_INTERL2-NEXT:    [[DOTSPLATINSERT4:%.*]] = insertelement <4 x float> poison, float [[TMP3]], i64 0
; VEC4_INTERL2-NEXT:    [[DOTSPLAT5:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT4]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL2-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC4_INTERL2:       vector.body:
; VEC4_INTERL2-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL2-NEXT:    [[VEC_IND:%.*]] = phi <4 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL2-NEXT:    [[STEP_ADD:%.*]] = fsub reassoc <4 x float> [[VEC_IND]], [[DOTSPLAT5]]
; VEC4_INTERL2-NEXT:    [[TMP4:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC4_INTERL2-NEXT:    store <4 x float> [[VEC_IND]], ptr [[TMP4]], align 4
; VEC4_INTERL2-NEXT:    [[TMP5:%.*]] = getelementptr inbounds float, ptr [[TMP4]], i64 4
; VEC4_INTERL2-NEXT:    store <4 x float> [[STEP_ADD]], ptr [[TMP5]], align 4
; VEC4_INTERL2-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
; VEC4_INTERL2-NEXT:    [[VEC_IND_NEXT]] = fsub reassoc <4 x float> [[STEP_ADD]], [[DOTSPLAT5]]
; VEC4_INTERL2-NEXT:    [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC4_INTERL2-NEXT:    br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
; VEC4_INTERL2:       middle.block:
; VEC4_INTERL2-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP0]]
; VEC4_INTERL2-NEXT:    br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
; VEC4_INTERL2:       scalar.ph:
; VEC4_INTERL2-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ]
; VEC4_INTERL2-NEXT:    [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ]
; VEC4_INTERL2-NEXT:    br label [[FOR_BODY:%.*]]
; VEC4_INTERL2:       for.body:
; VEC4_INTERL2-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
; VEC4_INTERL2-NEXT:    [[X_05:%.*]] = phi float [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ]
; VEC4_INTERL2-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; VEC4_INTERL2-NEXT:    store float [[X_05]], ptr [[ARRAYIDX]], align 4
; VEC4_INTERL2-NEXT:    [[ADD]] = fsub reassoc float [[X_05]], [[FPINC]]
; VEC4_INTERL2-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; VEC4_INTERL2-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; VEC4_INTERL2-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
; VEC4_INTERL2-NEXT:    br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
; VEC4_INTERL2:       for.end.loopexit:
; VEC4_INTERL2-NEXT:    br label [[FOR_END]]
; VEC4_INTERL2:       for.end:
; VEC4_INTERL2-NEXT:    ret void
;
; VEC1_INTERL2-LABEL: @fp_iv_loop1_reassoc_FMF(
; VEC1_INTERL2-NEXT:  entry:
; VEC1_INTERL2-NEXT:    [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
; VEC1_INTERL2-NEXT:    br i1 [[CMP4]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
; VEC1_INTERL2:       for.body.lr.ph:
; VEC1_INTERL2-NEXT:    [[FPINC:%.*]] = load float, ptr @fp_inc, align 4
; VEC1_INTERL2-NEXT:    [[TMP0:%.*]] = zext i32 [[N]] to i64
; VEC1_INTERL2-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[N]], 1
; VEC1_INTERL2-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; VEC1_INTERL2:       vector.ph:
; VEC1_INTERL2-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP0]], 4294967294
; VEC1_INTERL2-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC1_INTERL2-NEXT:    [[TMP1:%.*]] = fmul reassoc float [[FPINC]], [[DOTCAST]]
; VEC1_INTERL2-NEXT:    [[IND_END:%.*]] = fsub reassoc float [[INIT:%.*]], [[TMP1]]
; VEC1_INTERL2-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC1_INTERL2:       vector.body:
; VEC1_INTERL2-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC1_INTERL2-NEXT:    [[DOTCAST2:%.*]] = sitofp i64 [[INDEX]] to float
; VEC1_INTERL2-NEXT:    [[TMP2:%.*]] = fmul reassoc float [[FPINC]], [[DOTCAST2]]
; VEC1_INTERL2-NEXT:    [[OFFSET_IDX:%.*]] = fsub reassoc float [[INIT]], [[TMP2]]
; VEC1_INTERL2-NEXT:    [[TMP3:%.*]] = fmul reassoc float [[FPINC]], 0.000000e+00
; VEC1_INTERL2-NEXT:    [[TMP4:%.*]] = fsub reassoc float [[OFFSET_IDX]], [[TMP3]]
; VEC1_INTERL2-NEXT:    [[TMP5:%.*]] = fsub reassoc float [[OFFSET_IDX]], [[FPINC]]
; VEC1_INTERL2-NEXT:    [[TMP6:%.*]] = or i64 [[INDEX]], 1
; VEC1_INTERL2-NEXT:    [[TMP7:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC1_INTERL2-NEXT:    [[TMP8:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP6]]
; VEC1_INTERL2-NEXT:    store float [[TMP4]], ptr [[TMP7]], align 4
; VEC1_INTERL2-NEXT:    store float [[TMP5]], ptr [[TMP8]], align 4
; VEC1_INTERL2-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
; VEC1_INTERL2-NEXT:    [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC1_INTERL2-NEXT:    br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
; VEC1_INTERL2:       middle.block:
; VEC1_INTERL2-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP0]]
; VEC1_INTERL2-NEXT:    br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
; VEC1_INTERL2:       scalar.ph:
; VEC1_INTERL2-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ]
; VEC1_INTERL2-NEXT:    [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ]
; VEC1_INTERL2-NEXT:    br label [[FOR_BODY:%.*]]
; VEC1_INTERL2:       for.body:
; VEC1_INTERL2-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
; VEC1_INTERL2-NEXT:    [[X_05:%.*]] = phi float [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ]
; VEC1_INTERL2-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; VEC1_INTERL2-NEXT:    store float [[X_05]], ptr [[ARRAYIDX]], align 4
; VEC1_INTERL2-NEXT:    [[ADD]] = fsub reassoc float [[X_05]], [[FPINC]]
; VEC1_INTERL2-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; VEC1_INTERL2-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; VEC1_INTERL2-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
; VEC1_INTERL2-NEXT:    br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
; VEC1_INTERL2:       for.end.loopexit:
; VEC1_INTERL2-NEXT:    br label [[FOR_END]]
; VEC1_INTERL2:       for.end:
; VEC1_INTERL2-NEXT:    ret void
;
; VEC2_INTERL1_PRED_STORE-LABEL: @fp_iv_loop1_reassoc_FMF(
; VEC2_INTERL1_PRED_STORE-NEXT:  entry:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[CMP4]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
; VEC2_INTERL1_PRED_STORE:       for.body.lr.ph:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[FPINC:%.*]] = load float, ptr @fp_inc, align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP0:%.*]] = zext i32 [[N]] to i64
; VEC2_INTERL1_PRED_STORE-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[N]], 1
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[FOR_BODY:%.*]], label [[VECTOR_PH:%.*]]
; VEC2_INTERL1_PRED_STORE:       vector.ph:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP0]], 4294967294
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP1:%.*]] = fmul reassoc float [[FPINC]], [[DOTCAST]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[IND_END:%.*]] = fsub reassoc float [[INIT:%.*]], [[TMP1]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <2 x float> poison, float [[INIT]], i64 0
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <2 x float> [[DOTSPLATINSERT]], <2 x float> poison, <2 x i32> zeroinitializer
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTSPLATINSERT2:%.*]] = insertelement <2 x float> poison, float [[FPINC]], i64 0
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTSPLAT3:%.*]] = shufflevector <2 x float> [[DOTSPLATINSERT2]], <2 x float> poison, <2 x i32> zeroinitializer
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP2:%.*]] = fmul reassoc <2 x float> [[DOTSPLAT3]], <float 0.000000e+00, float 1.000000e+00>
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDUCTION:%.*]] = fsub reassoc <2 x float> [[DOTSPLAT]], [[TMP2]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP3:%.*]] = fmul reassoc float [[FPINC]], 2.000000e+00
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTSPLATINSERT4:%.*]] = insertelement <2 x float> poison, float [[TMP3]], i64 0
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTSPLAT5:%.*]] = shufflevector <2 x float> [[DOTSPLATINSERT4]], <2 x float> poison, <2 x i32> zeroinitializer
; VEC2_INTERL1_PRED_STORE-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC2_INTERL1_PRED_STORE:       vector.body:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[VEC_IND:%.*]] = phi <2 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP4:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC2_INTERL1_PRED_STORE-NEXT:    store <2 x float> [[VEC_IND]], ptr [[TMP4]], align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
; VEC2_INTERL1_PRED_STORE-NEXT:    [[VEC_IND_NEXT]] = fsub reassoc <2 x float> [[VEC_IND]], [[DOTSPLAT5]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
; VEC2_INTERL1_PRED_STORE:       middle.block:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP0]]
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[CMP_N]], label [[FOR_END]], label [[FOR_BODY]]
; VEC2_INTERL1_PRED_STORE:       for.body:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[X_05:%.*]] = phi float [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; VEC2_INTERL1_PRED_STORE-NEXT:    store float [[X_05]], ptr [[ARRAYIDX]], align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    [[ADD]] = fsub reassoc float [[X_05]], [[FPINC]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; VEC2_INTERL1_PRED_STORE-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; VEC2_INTERL1_PRED_STORE-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
; VEC2_INTERL1_PRED_STORE:       for.end:
; VEC2_INTERL1_PRED_STORE-NEXT:    ret void
;
entry:
  %cmp4 = icmp sgt i32 %N, 0
  br i1 %cmp4, label %for.body.lr.ph, label %for.end

for.body.lr.ph:                                   ; preds = %entry
  %fpinc = load float, ptr @fp_inc, align 4
  br label %for.body

for.body:                                         ; preds = %for.body, %for.body.lr.ph
  %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]
  %x.05 = phi float [ %init, %for.body.lr.ph ], [ %add, %for.body ]
  %arrayidx = getelementptr inbounds float, ptr %A, i64 %indvars.iv
  store float %x.05, ptr %arrayidx, align 4
  %add = fsub reassoc float %x.05, %fpinc
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
  %exitcond = icmp eq i32 %lftr.wideiv, %N
  br i1 %exitcond, label %for.end.loopexit, label %for.body

for.end.loopexit:                                 ; preds = %for.body
  br label %for.end

for.end:                                          ; preds = %for.end.loopexit, %entry
  ret void
}

;void fp_iv_loop2(float init, ptr __restrict__ A, int N) {
;  float x = init;
;  for (int i=0; i < N; ++i) {
;    A[i] = x;
;    x += 0.5;
;  }
;}


define void @fp_iv_loop2(float %init, ptr noalias nocapture %A, i32 %N) #0 {
; VEC4_INTERL1-LABEL: @fp_iv_loop2(
; VEC4_INTERL1-NEXT:  entry:
; VEC4_INTERL1-NEXT:    [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
; VEC4_INTERL1-NEXT:    br i1 [[CMP4]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
; VEC4_INTERL1:       for.body.preheader:
; VEC4_INTERL1-NEXT:    [[TMP0:%.*]] = zext i32 [[N]] to i64
; VEC4_INTERL1-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 4
; VEC4_INTERL1-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; VEC4_INTERL1:       vector.ph:
; VEC4_INTERL1-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP0]], 4294967292
; VEC4_INTERL1-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC4_INTERL1-NEXT:    [[TMP1:%.*]] = fmul fast float [[DOTCAST]], 5.000000e-01
; VEC4_INTERL1-NEXT:    [[IND_END:%.*]] = fadd fast float [[TMP1]], [[INIT:%.*]]
; VEC4_INTERL1-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[INIT]], i64 0
; VEC4_INTERL1-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL1-NEXT:    [[INDUCTION:%.*]] = fadd fast <4 x float> [[DOTSPLAT]], <float 0.000000e+00, float 5.000000e-01, float 1.000000e+00, float 1.500000e+00>
; VEC4_INTERL1-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC4_INTERL1:       vector.body:
; VEC4_INTERL1-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL1-NEXT:    [[VEC_IND:%.*]] = phi <4 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL1-NEXT:    [[TMP2:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC4_INTERL1-NEXT:    store <4 x float> [[VEC_IND]], ptr [[TMP2]], align 4
; VEC4_INTERL1-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; VEC4_INTERL1-NEXT:    [[VEC_IND_NEXT]] = fadd fast <4 x float> [[VEC_IND]], <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00>
; VEC4_INTERL1-NEXT:    [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC4_INTERL1-NEXT:    br i1 [[TMP3]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
; VEC4_INTERL1:       middle.block:
; VEC4_INTERL1-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP0]]
; VEC4_INTERL1-NEXT:    br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
; VEC4_INTERL1:       scalar.ph:
; VEC4_INTERL1-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
; VEC4_INTERL1-NEXT:    [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_PREHEADER]] ]
; VEC4_INTERL1-NEXT:    br label [[FOR_BODY:%.*]]
; VEC4_INTERL1:       for.body:
; VEC4_INTERL1-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
; VEC4_INTERL1-NEXT:    [[X_06:%.*]] = phi float [ [[CONV1:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
; VEC4_INTERL1-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; VEC4_INTERL1-NEXT:    store float [[X_06]], ptr [[ARRAYIDX]], align 4
; VEC4_INTERL1-NEXT:    [[CONV1]] = fadd fast float [[X_06]], 5.000000e-01
; VEC4_INTERL1-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; VEC4_INTERL1-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; VEC4_INTERL1-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
; VEC4_INTERL1-NEXT:    br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
; VEC4_INTERL1:       for.end.loopexit:
; VEC4_INTERL1-NEXT:    br label [[FOR_END]]
; VEC4_INTERL1:       for.end:
; VEC4_INTERL1-NEXT:    ret void
;
; VEC4_INTERL2-LABEL: @fp_iv_loop2(
; VEC4_INTERL2-NEXT:  entry:
; VEC4_INTERL2-NEXT:    [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
; VEC4_INTERL2-NEXT:    br i1 [[CMP4]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
; VEC4_INTERL2:       for.body.preheader:
; VEC4_INTERL2-NEXT:    [[TMP0:%.*]] = zext i32 [[N]] to i64
; VEC4_INTERL2-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 8
; VEC4_INTERL2-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; VEC4_INTERL2:       vector.ph:
; VEC4_INTERL2-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP0]], 4294967288
; VEC4_INTERL2-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC4_INTERL2-NEXT:    [[TMP1:%.*]] = fmul fast float [[DOTCAST]], 5.000000e-01
; VEC4_INTERL2-NEXT:    [[IND_END:%.*]] = fadd fast float [[TMP1]], [[INIT:%.*]]
; VEC4_INTERL2-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[INIT]], i64 0
; VEC4_INTERL2-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL2-NEXT:    [[INDUCTION:%.*]] = fadd fast <4 x float> [[DOTSPLAT]], <float 0.000000e+00, float 5.000000e-01, float 1.000000e+00, float 1.500000e+00>
; VEC4_INTERL2-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC4_INTERL2:       vector.body:
; VEC4_INTERL2-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL2-NEXT:    [[VEC_IND:%.*]] = phi <4 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL2-NEXT:    [[STEP_ADD:%.*]] = fadd fast <4 x float> [[VEC_IND]], <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00>
; VEC4_INTERL2-NEXT:    [[TMP2:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC4_INTERL2-NEXT:    store <4 x float> [[VEC_IND]], ptr [[TMP2]], align 4
; VEC4_INTERL2-NEXT:    [[TMP3:%.*]] = getelementptr inbounds float, ptr [[TMP2]], i64 4
; VEC4_INTERL2-NEXT:    store <4 x float> [[STEP_ADD]], ptr [[TMP3]], align 4
; VEC4_INTERL2-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
; VEC4_INTERL2-NEXT:    [[VEC_IND_NEXT]] = fadd fast <4 x float> [[VEC_IND]], <float 4.000000e+00, float 4.000000e+00, float 4.000000e+00, float 4.000000e+00>
; VEC4_INTERL2-NEXT:    [[TMP4:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC4_INTERL2-NEXT:    br i1 [[TMP4]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
; VEC4_INTERL2:       middle.block:
; VEC4_INTERL2-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP0]]
; VEC4_INTERL2-NEXT:    br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
; VEC4_INTERL2:       scalar.ph:
; VEC4_INTERL2-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
; VEC4_INTERL2-NEXT:    [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_PREHEADER]] ]
; VEC4_INTERL2-NEXT:    br label [[FOR_BODY:%.*]]
; VEC4_INTERL2:       for.body:
; VEC4_INTERL2-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
; VEC4_INTERL2-NEXT:    [[X_06:%.*]] = phi float [ [[CONV1:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
; VEC4_INTERL2-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; VEC4_INTERL2-NEXT:    store float [[X_06]], ptr [[ARRAYIDX]], align 4
; VEC4_INTERL2-NEXT:    [[CONV1]] = fadd fast float [[X_06]], 5.000000e-01
; VEC4_INTERL2-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; VEC4_INTERL2-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; VEC4_INTERL2-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
; VEC4_INTERL2-NEXT:    br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
; VEC4_INTERL2:       for.end.loopexit:
; VEC4_INTERL2-NEXT:    br label [[FOR_END]]
; VEC4_INTERL2:       for.end:
; VEC4_INTERL2-NEXT:    ret void
;
; VEC1_INTERL2-LABEL: @fp_iv_loop2(
; VEC1_INTERL2-NEXT:  entry:
; VEC1_INTERL2-NEXT:    [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
; VEC1_INTERL2-NEXT:    br i1 [[CMP4]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
; VEC1_INTERL2:       for.body.preheader:
; VEC1_INTERL2-NEXT:    [[TMP0:%.*]] = zext i32 [[N]] to i64
; VEC1_INTERL2-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[N]], 1
; VEC1_INTERL2-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; VEC1_INTERL2:       vector.ph:
; VEC1_INTERL2-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP0]], 4294967294
; VEC1_INTERL2-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC1_INTERL2-NEXT:    [[TMP1:%.*]] = fmul fast float [[DOTCAST]], 5.000000e-01
; VEC1_INTERL2-NEXT:    [[IND_END:%.*]] = fadd fast float [[TMP1]], [[INIT:%.*]]
; VEC1_INTERL2-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC1_INTERL2:       vector.body:
; VEC1_INTERL2-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC1_INTERL2-NEXT:    [[DOTCAST2:%.*]] = sitofp i64 [[INDEX]] to float
; VEC1_INTERL2-NEXT:    [[TMP2:%.*]] = fmul fast float [[DOTCAST2]], 5.000000e-01
; VEC1_INTERL2-NEXT:    [[OFFSET_IDX:%.*]] = fadd fast float [[TMP2]], [[INIT]]
; VEC1_INTERL2-NEXT:    [[TMP3:%.*]] = fadd fast float [[OFFSET_IDX]], 5.000000e-01
; VEC1_INTERL2-NEXT:    [[TMP4:%.*]] = or i64 [[INDEX]], 1
; VEC1_INTERL2-NEXT:    [[TMP5:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC1_INTERL2-NEXT:    [[TMP6:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP4]]
; VEC1_INTERL2-NEXT:    store float [[OFFSET_IDX]], ptr [[TMP5]], align 4
; VEC1_INTERL2-NEXT:    store float [[TMP3]], ptr [[TMP6]], align 4
; VEC1_INTERL2-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
; VEC1_INTERL2-NEXT:    [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC1_INTERL2-NEXT:    br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
; VEC1_INTERL2:       middle.block:
; VEC1_INTERL2-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP0]]
; VEC1_INTERL2-NEXT:    br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
; VEC1_INTERL2:       scalar.ph:
; VEC1_INTERL2-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
; VEC1_INTERL2-NEXT:    [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_PREHEADER]] ]
; VEC1_INTERL2-NEXT:    br label [[FOR_BODY:%.*]]
; VEC1_INTERL2:       for.body:
; VEC1_INTERL2-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
; VEC1_INTERL2-NEXT:    [[X_06:%.*]] = phi float [ [[CONV1:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
; VEC1_INTERL2-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; VEC1_INTERL2-NEXT:    store float [[X_06]], ptr [[ARRAYIDX]], align 4
; VEC1_INTERL2-NEXT:    [[CONV1]] = fadd fast float [[X_06]], 5.000000e-01
; VEC1_INTERL2-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; VEC1_INTERL2-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; VEC1_INTERL2-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
; VEC1_INTERL2-NEXT:    br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
; VEC1_INTERL2:       for.end.loopexit:
; VEC1_INTERL2-NEXT:    br label [[FOR_END]]
; VEC1_INTERL2:       for.end:
; VEC1_INTERL2-NEXT:    ret void
;
; VEC2_INTERL1_PRED_STORE-LABEL: @fp_iv_loop2(
; VEC2_INTERL1_PRED_STORE-NEXT:  entry:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[CMP4]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
; VEC2_INTERL1_PRED_STORE:       for.body.preheader:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP0:%.*]] = zext i32 [[N]] to i64
; VEC2_INTERL1_PRED_STORE-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[N]], 1
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[FOR_BODY:%.*]], label [[VECTOR_PH:%.*]]
; VEC2_INTERL1_PRED_STORE:       vector.ph:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP0]], 4294967294
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP1:%.*]] = fmul fast float [[DOTCAST]], 5.000000e-01
; VEC2_INTERL1_PRED_STORE-NEXT:    [[IND_END:%.*]] = fadd fast float [[TMP1]], [[INIT:%.*]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <2 x float> poison, float [[INIT]], i64 0
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <2 x float> [[DOTSPLATINSERT]], <2 x float> poison, <2 x i32> zeroinitializer
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDUCTION:%.*]] = fadd fast <2 x float> [[DOTSPLAT]], <float 0.000000e+00, float 5.000000e-01>
; VEC2_INTERL1_PRED_STORE-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC2_INTERL1_PRED_STORE:       vector.body:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[VEC_IND:%.*]] = phi <2 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP2:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC2_INTERL1_PRED_STORE-NEXT:    store <2 x float> [[VEC_IND]], ptr [[TMP2]], align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
; VEC2_INTERL1_PRED_STORE-NEXT:    [[VEC_IND_NEXT]] = fadd fast <2 x float> [[VEC_IND]], <float 1.000000e+00, float 1.000000e+00>
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[TMP3]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
; VEC2_INTERL1_PRED_STORE:       middle.block:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP0]]
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[CMP_N]], label [[FOR_END]], label [[FOR_BODY]]
; VEC2_INTERL1_PRED_STORE:       for.body:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[X_06:%.*]] = phi float [ [[CONV1:%.*]], [[FOR_BODY]] ], [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_PREHEADER]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; VEC2_INTERL1_PRED_STORE-NEXT:    store float [[X_06]], ptr [[ARRAYIDX]], align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    [[CONV1]] = fadd fast float [[X_06]], 5.000000e-01
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; VEC2_INTERL1_PRED_STORE-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; VEC2_INTERL1_PRED_STORE-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
; VEC2_INTERL1_PRED_STORE:       for.end:
; VEC2_INTERL1_PRED_STORE-NEXT:    ret void
;
entry:
  %cmp4 = icmp sgt i32 %N, 0
  br i1 %cmp4, label %for.body.preheader, label %for.end

for.body.preheader:                               ; preds = %entry
  br label %for.body

for.body:                                         ; preds = %for.body.preheader, %for.body
  %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
  %x.06 = phi float [ %conv1, %for.body ], [ %init, %for.body.preheader ]
  %arrayidx = getelementptr inbounds float, ptr %A, i64 %indvars.iv
  store float %x.06, ptr %arrayidx, align 4
  %conv1 = fadd fast float %x.06, 5.000000e-01
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
  %exitcond = icmp eq i32 %lftr.wideiv, %N
  br i1 %exitcond, label %for.end.loopexit, label %for.body

for.end.loopexit:                                 ; preds = %for.body
  br label %for.end

for.end:                                          ; preds = %for.end.loopexit, %entry
  ret void
}

;void fp_iv_loop3(float init, ptr __restrict__ A, ptr __restrict__ B, ptr __restrict__ C, int N) {
;  int i = 0;
;  float x = init;
;  float y = 0.1;
;  for (; i < N; ++i) {
;    A[i] = x;
;    x += fp_inc;
;    y -= 0.5;
;    B[i] = x + y;
;    C[i] = y;
;  }
;}


define void @fp_iv_loop3(float %init, ptr noalias nocapture %A, ptr noalias nocapture %B, ptr noalias nocapture %C, i32 %N) {
; VEC4_INTERL1-LABEL: @fp_iv_loop3(
; VEC4_INTERL1-NEXT:  entry:
; VEC4_INTERL1-NEXT:    [[CMP9:%.*]] = icmp sgt i32 [[N:%.*]], 0
; VEC4_INTERL1-NEXT:    br i1 [[CMP9]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
; VEC4_INTERL1:       for.body.lr.ph:
; VEC4_INTERL1-NEXT:    [[TMP0:%.*]] = load float, ptr @fp_inc, align 4
; VEC4_INTERL1-NEXT:    [[TMP1:%.*]] = zext i32 [[N]] to i64
; VEC4_INTERL1-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 4
; VEC4_INTERL1-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; VEC4_INTERL1:       vector.ph:
; VEC4_INTERL1-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP1]], 4294967292
; VEC4_INTERL1-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC4_INTERL1-NEXT:    [[TMP2:%.*]] = fmul fast float [[DOTCAST]], -5.000000e-01
; VEC4_INTERL1-NEXT:    [[IND_END:%.*]] = fadd fast float [[TMP2]], 0x3FB99999A0000000
; VEC4_INTERL1-NEXT:    [[DOTCAST2:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC4_INTERL1-NEXT:    [[TMP3:%.*]] = fmul fast float [[TMP0]], [[DOTCAST2]]
; VEC4_INTERL1-NEXT:    [[IND_END3:%.*]] = fadd fast float [[TMP3]], [[INIT:%.*]]
; VEC4_INTERL1-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[INIT]], i64 0
; VEC4_INTERL1-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL1-NEXT:    [[DOTSPLATINSERT5:%.*]] = insertelement <4 x float> poison, float [[TMP0]], i64 0
; VEC4_INTERL1-NEXT:    [[DOTSPLAT6:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT5]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL1-NEXT:    [[TMP4:%.*]] = fmul fast <4 x float> [[DOTSPLAT6]], <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00>
; VEC4_INTERL1-NEXT:    [[INDUCTION:%.*]] = fadd fast <4 x float> [[DOTSPLAT]], [[TMP4]]
; VEC4_INTERL1-NEXT:    [[TMP5:%.*]] = fmul fast float [[TMP0]], 4.000000e+00
; VEC4_INTERL1-NEXT:    [[DOTSPLATINSERT7:%.*]] = insertelement <4 x float> poison, float [[TMP5]], i64 0
; VEC4_INTERL1-NEXT:    [[DOTSPLAT8:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT7]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL1-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[TMP0]], i64 0
; VEC4_INTERL1-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x float> [[BROADCAST_SPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL1-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC4_INTERL1:       vector.body:
; VEC4_INTERL1-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL1-NEXT:    [[VEC_IND:%.*]] = phi <4 x float> [ <float 0x3FB99999A0000000, float 0xBFD99999A0000000, float 0xBFECCCCCC0000000, float 0xBFF6666660000000>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL1-NEXT:    [[VEC_IND9:%.*]] = phi <4 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT10:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL1-NEXT:    [[TMP6:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC4_INTERL1-NEXT:    store <4 x float> [[VEC_IND9]], ptr [[TMP6]], align 4
; VEC4_INTERL1-NEXT:    [[TMP7:%.*]] = fadd fast <4 x float> [[VEC_IND9]], [[BROADCAST_SPLAT]]
; VEC4_INTERL1-NEXT:    [[TMP8:%.*]] = fadd fast <4 x float> [[VEC_IND]], <float -5.000000e-01, float -5.000000e-01, float -5.000000e-01, float -5.000000e-01>
; VEC4_INTERL1-NEXT:    [[TMP9:%.*]] = fadd fast <4 x float> [[TMP8]], [[TMP7]]
; VEC4_INTERL1-NEXT:    [[TMP10:%.*]] = getelementptr inbounds float, ptr [[B:%.*]], i64 [[INDEX]]
; VEC4_INTERL1-NEXT:    store <4 x float> [[TMP9]], ptr [[TMP10]], align 4
; VEC4_INTERL1-NEXT:    [[TMP11:%.*]] = getelementptr inbounds float, ptr [[C:%.*]], i64 [[INDEX]]
; VEC4_INTERL1-NEXT:    store <4 x float> [[TMP8]], ptr [[TMP11]], align 4
; VEC4_INTERL1-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; VEC4_INTERL1-NEXT:    [[VEC_IND_NEXT]] = fadd fast <4 x float> [[VEC_IND]], <float -2.000000e+00, float -2.000000e+00, float -2.000000e+00, float -2.000000e+00>
; VEC4_INTERL1-NEXT:    [[VEC_IND_NEXT10]] = fadd fast <4 x float> [[VEC_IND9]], [[DOTSPLAT8]]
; VEC4_INTERL1-NEXT:    [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC4_INTERL1-NEXT:    br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]]
; VEC4_INTERL1:       middle.block:
; VEC4_INTERL1-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP1]]
; VEC4_INTERL1-NEXT:    br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
; VEC4_INTERL1:       scalar.ph:
; VEC4_INTERL1-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ]
; VEC4_INTERL1-NEXT:    [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0x3FB99999A0000000, [[FOR_BODY_LR_PH]] ]
; VEC4_INTERL1-NEXT:    [[BC_RESUME_VAL4:%.*]] = phi float [ [[IND_END3]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ]
; VEC4_INTERL1-NEXT:    br label [[FOR_BODY:%.*]]
; VEC4_INTERL1:       for.body:
; VEC4_INTERL1-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
; VEC4_INTERL1-NEXT:    [[Y_012:%.*]] = phi float [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[CONV1:%.*]], [[FOR_BODY]] ]
; VEC4_INTERL1-NEXT:    [[X_011:%.*]] = phi float [ [[BC_RESUME_VAL4]], [[SCALAR_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ]
; VEC4_INTERL1-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; VEC4_INTERL1-NEXT:    store float [[X_011]], ptr [[ARRAYIDX]], align 4
; VEC4_INTERL1-NEXT:    [[ADD]] = fadd fast float [[X_011]], [[TMP0]]
; VEC4_INTERL1-NEXT:    [[CONV1]] = fadd fast float [[Y_012]], -5.000000e-01
; VEC4_INTERL1-NEXT:    [[ADD2:%.*]] = fadd fast float [[CONV1]], [[ADD]]
; VEC4_INTERL1-NEXT:    [[ARRAYIDX4:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[INDVARS_IV]]
; VEC4_INTERL1-NEXT:    store float [[ADD2]], ptr [[ARRAYIDX4]], align 4
; VEC4_INTERL1-NEXT:    [[ARRAYIDX6:%.*]] = getelementptr inbounds float, ptr [[C]], i64 [[INDVARS_IV]]
; VEC4_INTERL1-NEXT:    store float [[CONV1]], ptr [[ARRAYIDX6]], align 4
; VEC4_INTERL1-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; VEC4_INTERL1-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; VEC4_INTERL1-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
; VEC4_INTERL1-NEXT:    br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
; VEC4_INTERL1:       for.end.loopexit:
; VEC4_INTERL1-NEXT:    br label [[FOR_END]]
; VEC4_INTERL1:       for.end:
; VEC4_INTERL1-NEXT:    ret void
;
; VEC4_INTERL2-LABEL: @fp_iv_loop3(
; VEC4_INTERL2-NEXT:  entry:
; VEC4_INTERL2-NEXT:    [[CMP9:%.*]] = icmp sgt i32 [[N:%.*]], 0
; VEC4_INTERL2-NEXT:    br i1 [[CMP9]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
; VEC4_INTERL2:       for.body.lr.ph:
; VEC4_INTERL2-NEXT:    [[TMP0:%.*]] = load float, ptr @fp_inc, align 4
; VEC4_INTERL2-NEXT:    [[TMP1:%.*]] = zext i32 [[N]] to i64
; VEC4_INTERL2-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 8
; VEC4_INTERL2-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; VEC4_INTERL2:       vector.ph:
; VEC4_INTERL2-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP1]], 4294967288
; VEC4_INTERL2-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC4_INTERL2-NEXT:    [[TMP2:%.*]] = fmul fast float [[DOTCAST]], -5.000000e-01
; VEC4_INTERL2-NEXT:    [[IND_END:%.*]] = fadd fast float [[TMP2]], 0x3FB99999A0000000
; VEC4_INTERL2-NEXT:    [[DOTCAST2:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC4_INTERL2-NEXT:    [[TMP3:%.*]] = fmul fast float [[TMP0]], [[DOTCAST2]]
; VEC4_INTERL2-NEXT:    [[IND_END3:%.*]] = fadd fast float [[TMP3]], [[INIT:%.*]]
; VEC4_INTERL2-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[INIT]], i64 0
; VEC4_INTERL2-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL2-NEXT:    [[DOTSPLATINSERT6:%.*]] = insertelement <4 x float> poison, float [[TMP0]], i64 0
; VEC4_INTERL2-NEXT:    [[DOTSPLAT7:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT6]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL2-NEXT:    [[TMP4:%.*]] = fmul fast <4 x float> [[DOTSPLAT7]], <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00>
; VEC4_INTERL2-NEXT:    [[INDUCTION:%.*]] = fadd fast <4 x float> [[DOTSPLAT]], [[TMP4]]
; VEC4_INTERL2-NEXT:    [[TMP5:%.*]] = fmul fast float [[TMP0]], 4.000000e+00
; VEC4_INTERL2-NEXT:    [[DOTSPLATINSERT8:%.*]] = insertelement <4 x float> poison, float [[TMP5]], i64 0
; VEC4_INTERL2-NEXT:    [[DOTSPLAT9:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT8]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL2-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[TMP0]], i64 0
; VEC4_INTERL2-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x float> [[BROADCAST_SPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL2-NEXT:    [[BROADCAST_SPLATINSERT14:%.*]] = insertelement <4 x float> poison, float [[TMP0]], i64 0
; VEC4_INTERL2-NEXT:    [[BROADCAST_SPLAT15:%.*]] = shufflevector <4 x float> [[BROADCAST_SPLATINSERT14]], <4 x float> poison, <4 x i32> zeroinitializer
; VEC4_INTERL2-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC4_INTERL2:       vector.body:
; VEC4_INTERL2-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL2-NEXT:    [[VEC_IND:%.*]] = phi <4 x float> [ <float 0x3FB99999A0000000, float 0xBFD99999A0000000, float 0xBFECCCCCC0000000, float 0xBFF6666660000000>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL2-NEXT:    [[VEC_IND10:%.*]] = phi <4 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT13:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL2-NEXT:    [[STEP_ADD11:%.*]] = fadd fast <4 x float> [[VEC_IND10]], [[DOTSPLAT9]]
; VEC4_INTERL2-NEXT:    [[TMP6:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC4_INTERL2-NEXT:    store <4 x float> [[VEC_IND10]], ptr [[TMP6]], align 4
; VEC4_INTERL2-NEXT:    [[TMP7:%.*]] = getelementptr inbounds float, ptr [[TMP6]], i64 4
; VEC4_INTERL2-NEXT:    store <4 x float> [[STEP_ADD11]], ptr [[TMP7]], align 4
; VEC4_INTERL2-NEXT:    [[TMP8:%.*]] = fadd fast <4 x float> [[VEC_IND10]], [[BROADCAST_SPLAT]]
; VEC4_INTERL2-NEXT:    [[TMP9:%.*]] = fadd fast <4 x float> [[STEP_ADD11]], [[BROADCAST_SPLAT15]]
; VEC4_INTERL2-NEXT:    [[TMP10:%.*]] = fadd fast <4 x float> [[VEC_IND]], <float -5.000000e-01, float -5.000000e-01, float -5.000000e-01, float -5.000000e-01>
; VEC4_INTERL2-NEXT:    [[TMP11:%.*]] = fadd fast <4 x float> [[VEC_IND]], <float -2.500000e+00, float -2.500000e+00, float -2.500000e+00, float -2.500000e+00>
; VEC4_INTERL2-NEXT:    [[TMP12:%.*]] = fadd fast <4 x float> [[TMP10]], [[TMP8]]
; VEC4_INTERL2-NEXT:    [[TMP13:%.*]] = fadd fast <4 x float> [[TMP11]], [[TMP9]]
; VEC4_INTERL2-NEXT:    [[TMP14:%.*]] = getelementptr inbounds float, ptr [[B:%.*]], i64 [[INDEX]]
; VEC4_INTERL2-NEXT:    store <4 x float> [[TMP12]], ptr [[TMP14]], align 4
; VEC4_INTERL2-NEXT:    [[TMP15:%.*]] = getelementptr inbounds float, ptr [[TMP14]], i64 4
; VEC4_INTERL2-NEXT:    store <4 x float> [[TMP13]], ptr [[TMP15]], align 4
; VEC4_INTERL2-NEXT:    [[TMP16:%.*]] = getelementptr inbounds float, ptr [[C:%.*]], i64 [[INDEX]]
; VEC4_INTERL2-NEXT:    store <4 x float> [[TMP10]], ptr [[TMP16]], align 4
; VEC4_INTERL2-NEXT:    [[TMP17:%.*]] = getelementptr inbounds float, ptr [[TMP16]], i64 4
; VEC4_INTERL2-NEXT:    store <4 x float> [[TMP11]], ptr [[TMP17]], align 4
; VEC4_INTERL2-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
; VEC4_INTERL2-NEXT:    [[VEC_IND_NEXT]] = fadd fast <4 x float> [[VEC_IND]], <float -4.000000e+00, float -4.000000e+00, float -4.000000e+00, float -4.000000e+00>
; VEC4_INTERL2-NEXT:    [[VEC_IND_NEXT13]] = fadd fast <4 x float> [[STEP_ADD11]], [[DOTSPLAT9]]
; VEC4_INTERL2-NEXT:    [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC4_INTERL2-NEXT:    br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]]
; VEC4_INTERL2:       middle.block:
; VEC4_INTERL2-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP1]]
; VEC4_INTERL2-NEXT:    br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
; VEC4_INTERL2:       scalar.ph:
; VEC4_INTERL2-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ]
; VEC4_INTERL2-NEXT:    [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0x3FB99999A0000000, [[FOR_BODY_LR_PH]] ]
; VEC4_INTERL2-NEXT:    [[BC_RESUME_VAL4:%.*]] = phi float [ [[IND_END3]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ]
; VEC4_INTERL2-NEXT:    br label [[FOR_BODY:%.*]]
; VEC4_INTERL2:       for.body:
; VEC4_INTERL2-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
; VEC4_INTERL2-NEXT:    [[Y_012:%.*]] = phi float [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[CONV1:%.*]], [[FOR_BODY]] ]
; VEC4_INTERL2-NEXT:    [[X_011:%.*]] = phi float [ [[BC_RESUME_VAL4]], [[SCALAR_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ]
; VEC4_INTERL2-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; VEC4_INTERL2-NEXT:    store float [[X_011]], ptr [[ARRAYIDX]], align 4
; VEC4_INTERL2-NEXT:    [[ADD]] = fadd fast float [[X_011]], [[TMP0]]
; VEC4_INTERL2-NEXT:    [[CONV1]] = fadd fast float [[Y_012]], -5.000000e-01
; VEC4_INTERL2-NEXT:    [[ADD2:%.*]] = fadd fast float [[CONV1]], [[ADD]]
; VEC4_INTERL2-NEXT:    [[ARRAYIDX4:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[INDVARS_IV]]
; VEC4_INTERL2-NEXT:    store float [[ADD2]], ptr [[ARRAYIDX4]], align 4
; VEC4_INTERL2-NEXT:    [[ARRAYIDX6:%.*]] = getelementptr inbounds float, ptr [[C]], i64 [[INDVARS_IV]]
; VEC4_INTERL2-NEXT:    store float [[CONV1]], ptr [[ARRAYIDX6]], align 4
; VEC4_INTERL2-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; VEC4_INTERL2-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; VEC4_INTERL2-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
; VEC4_INTERL2-NEXT:    br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
; VEC4_INTERL2:       for.end.loopexit:
; VEC4_INTERL2-NEXT:    br label [[FOR_END]]
; VEC4_INTERL2:       for.end:
; VEC4_INTERL2-NEXT:    ret void
;
; VEC1_INTERL2-LABEL: @fp_iv_loop3(
; VEC1_INTERL2-NEXT:  entry:
; VEC1_INTERL2-NEXT:    [[CMP9:%.*]] = icmp sgt i32 [[N:%.*]], 0
; VEC1_INTERL2-NEXT:    br i1 [[CMP9]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
; VEC1_INTERL2:       for.body.lr.ph:
; VEC1_INTERL2-NEXT:    [[TMP0:%.*]] = load float, ptr @fp_inc, align 4
; VEC1_INTERL2-NEXT:    [[TMP1:%.*]] = zext i32 [[N]] to i64
; VEC1_INTERL2-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[N]], 1
; VEC1_INTERL2-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; VEC1_INTERL2:       vector.ph:
; VEC1_INTERL2-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP1]], 4294967294
; VEC1_INTERL2-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC1_INTERL2-NEXT:    [[TMP2:%.*]] = fmul fast float [[DOTCAST]], -5.000000e-01
; VEC1_INTERL2-NEXT:    [[IND_END:%.*]] = fadd fast float [[TMP2]], 0x3FB99999A0000000
; VEC1_INTERL2-NEXT:    [[DOTCAST2:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC1_INTERL2-NEXT:    [[TMP3:%.*]] = fmul fast float [[TMP0]], [[DOTCAST2]]
; VEC1_INTERL2-NEXT:    [[IND_END3:%.*]] = fadd fast float [[TMP3]], [[INIT:%.*]]
; VEC1_INTERL2-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC1_INTERL2:       vector.body:
; VEC1_INTERL2-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC1_INTERL2-NEXT:    [[DOTCAST5:%.*]] = sitofp i64 [[INDEX]] to float
; VEC1_INTERL2-NEXT:    [[TMP4:%.*]] = fmul fast float [[TMP0]], [[DOTCAST5]]
; VEC1_INTERL2-NEXT:    [[OFFSET_IDX:%.*]] = fadd fast float [[TMP4]], [[INIT]]
; VEC1_INTERL2-NEXT:    [[TMP5:%.*]] = fadd fast float [[OFFSET_IDX]], [[TMP0]]
; VEC1_INTERL2-NEXT:    [[DOTCAST6:%.*]] = sitofp i64 [[INDEX]] to float
; VEC1_INTERL2-NEXT:    [[TMP6:%.*]] = fmul fast float [[DOTCAST6]], -5.000000e-01
; VEC1_INTERL2-NEXT:    [[TMP7:%.*]] = or i64 [[INDEX]], 1
; VEC1_INTERL2-NEXT:    [[TMP8:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC1_INTERL2-NEXT:    [[TMP9:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP7]]
; VEC1_INTERL2-NEXT:    store float [[OFFSET_IDX]], ptr [[TMP8]], align 4
; VEC1_INTERL2-NEXT:    store float [[TMP5]], ptr [[TMP9]], align 4
; VEC1_INTERL2-NEXT:    [[TMP10:%.*]] = fadd fast float [[OFFSET_IDX]], [[TMP0]]
; VEC1_INTERL2-NEXT:    [[TMP11:%.*]] = fadd fast float [[TMP5]], [[TMP0]]
; VEC1_INTERL2-NEXT:    [[TMP12:%.*]] = fadd fast float [[TMP6]], 0xBFD99999A0000000
; VEC1_INTERL2-NEXT:    [[TMP13:%.*]] = fadd fast float [[TMP6]], 0xBFECCCCCC0000000
; VEC1_INTERL2-NEXT:    [[TMP14:%.*]] = fadd fast float [[TMP12]], [[TMP10]]
; VEC1_INTERL2-NEXT:    [[TMP15:%.*]] = fadd fast float [[TMP13]], [[TMP11]]
; VEC1_INTERL2-NEXT:    [[TMP16:%.*]] = getelementptr inbounds float, ptr [[B:%.*]], i64 [[INDEX]]
; VEC1_INTERL2-NEXT:    [[TMP17:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP7]]
; VEC1_INTERL2-NEXT:    store float [[TMP14]], ptr [[TMP16]], align 4
; VEC1_INTERL2-NEXT:    store float [[TMP15]], ptr [[TMP17]], align 4
; VEC1_INTERL2-NEXT:    [[TMP18:%.*]] = getelementptr inbounds float, ptr [[C:%.*]], i64 [[INDEX]]
; VEC1_INTERL2-NEXT:    [[TMP19:%.*]] = getelementptr inbounds float, ptr [[C]], i64 [[TMP7]]
; VEC1_INTERL2-NEXT:    store float [[TMP12]], ptr [[TMP18]], align 4
; VEC1_INTERL2-NEXT:    store float [[TMP13]], ptr [[TMP19]], align 4
; VEC1_INTERL2-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
; VEC1_INTERL2-NEXT:    [[TMP20:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC1_INTERL2-NEXT:    br i1 [[TMP20]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]]
; VEC1_INTERL2:       middle.block:
; VEC1_INTERL2-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP1]]
; VEC1_INTERL2-NEXT:    br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
; VEC1_INTERL2:       scalar.ph:
; VEC1_INTERL2-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ]
; VEC1_INTERL2-NEXT:    [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0x3FB99999A0000000, [[FOR_BODY_LR_PH]] ]
; VEC1_INTERL2-NEXT:    [[BC_RESUME_VAL4:%.*]] = phi float [ [[IND_END3]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ]
; VEC1_INTERL2-NEXT:    br label [[FOR_BODY:%.*]]
; VEC1_INTERL2:       for.body:
; VEC1_INTERL2-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
; VEC1_INTERL2-NEXT:    [[Y_012:%.*]] = phi float [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[CONV1:%.*]], [[FOR_BODY]] ]
; VEC1_INTERL2-NEXT:    [[X_011:%.*]] = phi float [ [[BC_RESUME_VAL4]], [[SCALAR_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ]
; VEC1_INTERL2-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; VEC1_INTERL2-NEXT:    store float [[X_011]], ptr [[ARRAYIDX]], align 4
; VEC1_INTERL2-NEXT:    [[ADD]] = fadd fast float [[X_011]], [[TMP0]]
; VEC1_INTERL2-NEXT:    [[CONV1]] = fadd fast float [[Y_012]], -5.000000e-01
; VEC1_INTERL2-NEXT:    [[ADD2:%.*]] = fadd fast float [[CONV1]], [[ADD]]
; VEC1_INTERL2-NEXT:    [[ARRAYIDX4:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[INDVARS_IV]]
; VEC1_INTERL2-NEXT:    store float [[ADD2]], ptr [[ARRAYIDX4]], align 4
; VEC1_INTERL2-NEXT:    [[ARRAYIDX6:%.*]] = getelementptr inbounds float, ptr [[C]], i64 [[INDVARS_IV]]
; VEC1_INTERL2-NEXT:    store float [[CONV1]], ptr [[ARRAYIDX6]], align 4
; VEC1_INTERL2-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; VEC1_INTERL2-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; VEC1_INTERL2-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
; VEC1_INTERL2-NEXT:    br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
; VEC1_INTERL2:       for.end.loopexit:
; VEC1_INTERL2-NEXT:    br label [[FOR_END]]
; VEC1_INTERL2:       for.end:
; VEC1_INTERL2-NEXT:    ret void
;
; VEC2_INTERL1_PRED_STORE-LABEL: @fp_iv_loop3(
; VEC2_INTERL1_PRED_STORE-NEXT:  entry:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[CMP9:%.*]] = icmp sgt i32 [[N:%.*]], 0
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[CMP9]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
; VEC2_INTERL1_PRED_STORE:       for.body.lr.ph:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP0:%.*]] = load float, ptr @fp_inc, align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP1:%.*]] = zext i32 [[N]] to i64
; VEC2_INTERL1_PRED_STORE-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[N]], 1
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[FOR_BODY:%.*]], label [[VECTOR_PH:%.*]]
; VEC2_INTERL1_PRED_STORE:       vector.ph:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP1]], 4294967294
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP2:%.*]] = fmul fast float [[DOTCAST]], -5.000000e-01
; VEC2_INTERL1_PRED_STORE-NEXT:    [[IND_END:%.*]] = fadd fast float [[TMP2]], 0x3FB99999A0000000
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTCAST2:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP3:%.*]] = fmul fast float [[TMP0]], [[DOTCAST2]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[IND_END3:%.*]] = fadd fast float [[TMP3]], [[INIT:%.*]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <2 x float> poison, float [[INIT]], i64 0
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <2 x float> [[DOTSPLATINSERT]], <2 x float> poison, <2 x i32> zeroinitializer
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTSPLATINSERT5:%.*]] = insertelement <2 x float> poison, float [[TMP0]], i64 0
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTSPLAT6:%.*]] = shufflevector <2 x float> [[DOTSPLATINSERT5]], <2 x float> poison, <2 x i32> zeroinitializer
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP4:%.*]] = fmul fast <2 x float> [[DOTSPLAT6]], <float 0.000000e+00, float 1.000000e+00>
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDUCTION:%.*]] = fadd fast <2 x float> [[DOTSPLAT]], [[TMP4]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP5:%.*]] = fmul fast float [[TMP0]], 2.000000e+00
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTSPLATINSERT7:%.*]] = insertelement <2 x float> poison, float [[TMP5]], i64 0
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTSPLAT8:%.*]] = shufflevector <2 x float> [[DOTSPLATINSERT7]], <2 x float> poison, <2 x i32> zeroinitializer
; VEC2_INTERL1_PRED_STORE-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x float> poison, float [[TMP0]], i64 0
; VEC2_INTERL1_PRED_STORE-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x float> [[BROADCAST_SPLATINSERT]], <2 x float> poison, <2 x i32> zeroinitializer
; VEC2_INTERL1_PRED_STORE-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC2_INTERL1_PRED_STORE:       vector.body:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[VEC_IND:%.*]] = phi <2 x float> [ <float 0x3FB99999A0000000, float 0xBFD99999A0000000>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[VEC_IND9:%.*]] = phi <2 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT10:%.*]], [[VECTOR_BODY]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP6:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC2_INTERL1_PRED_STORE-NEXT:    store <2 x float> [[VEC_IND9]], ptr [[TMP6]], align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP7:%.*]] = fadd fast <2 x float> [[VEC_IND9]], [[BROADCAST_SPLAT]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP8:%.*]] = fadd fast <2 x float> [[VEC_IND]], <float -5.000000e-01, float -5.000000e-01>
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP9:%.*]] = fadd fast <2 x float> [[TMP8]], [[TMP7]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP10:%.*]] = getelementptr inbounds float, ptr [[B:%.*]], i64 [[INDEX]]
; VEC2_INTERL1_PRED_STORE-NEXT:    store <2 x float> [[TMP9]], ptr [[TMP10]], align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP11:%.*]] = getelementptr inbounds float, ptr [[C:%.*]], i64 [[INDEX]]
; VEC2_INTERL1_PRED_STORE-NEXT:    store <2 x float> [[TMP8]], ptr [[TMP11]], align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
; VEC2_INTERL1_PRED_STORE-NEXT:    [[VEC_IND_NEXT]] = fadd fast <2 x float> [[VEC_IND]], <float -1.000000e+00, float -1.000000e+00>
; VEC2_INTERL1_PRED_STORE-NEXT:    [[VEC_IND_NEXT10]] = fadd fast <2 x float> [[VEC_IND9]], [[DOTSPLAT8]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]]
; VEC2_INTERL1_PRED_STORE:       middle.block:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP1]]
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[CMP_N]], label [[FOR_END]], label [[FOR_BODY]]
; VEC2_INTERL1_PRED_STORE:       for.body:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[Y_012:%.*]] = phi float [ [[CONV1:%.*]], [[FOR_BODY]] ], [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0x3FB99999A0000000, [[FOR_BODY_LR_PH]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[X_011:%.*]] = phi float [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[IND_END3]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; VEC2_INTERL1_PRED_STORE-NEXT:    store float [[X_011]], ptr [[ARRAYIDX]], align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    [[ADD]] = fadd fast float [[X_011]], [[TMP0]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[CONV1]] = fadd fast float [[Y_012]], -5.000000e-01
; VEC2_INTERL1_PRED_STORE-NEXT:    [[ADD2:%.*]] = fadd fast float [[CONV1]], [[ADD]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[ARRAYIDX4:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[INDVARS_IV]]
; VEC2_INTERL1_PRED_STORE-NEXT:    store float [[ADD2]], ptr [[ARRAYIDX4]], align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    [[ARRAYIDX6:%.*]] = getelementptr inbounds float, ptr [[C]], i64 [[INDVARS_IV]]
; VEC2_INTERL1_PRED_STORE-NEXT:    store float [[CONV1]], ptr [[ARRAYIDX6]], align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; VEC2_INTERL1_PRED_STORE-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; VEC2_INTERL1_PRED_STORE-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
; VEC2_INTERL1_PRED_STORE:       for.end:
; VEC2_INTERL1_PRED_STORE-NEXT:    ret void
;
entry:
  %cmp9 = icmp sgt i32 %N, 0
  br i1 %cmp9, label %for.body.lr.ph, label %for.end

for.body.lr.ph:                                   ; preds = %entry
  %0 = load float, ptr @fp_inc, align 4
  br label %for.body

for.body:                                         ; preds = %for.body, %for.body.lr.ph
  %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]
  %y.012 = phi float [ 0x3FB99999A0000000, %for.body.lr.ph ], [ %conv1, %for.body ]
  %x.011 = phi float [ %init, %for.body.lr.ph ], [ %add, %for.body ]
  %arrayidx = getelementptr inbounds float, ptr %A, i64 %indvars.iv
  store float %x.011, ptr %arrayidx, align 4
  %add = fadd fast float %x.011, %0
  %conv1 = fadd fast float %y.012, -5.000000e-01
  %add2 = fadd fast float %conv1, %add
  %arrayidx4 = getelementptr inbounds float, ptr %B, i64 %indvars.iv
  store float %add2, ptr %arrayidx4, align 4
  %arrayidx6 = getelementptr inbounds float, ptr %C, i64 %indvars.iv
  store float %conv1, ptr %arrayidx6, align 4
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
  %exitcond = icmp eq i32 %lftr.wideiv, %N
  br i1 %exitcond, label %for.end.loopexit, label %for.body

for.end.loopexit:
  br label %for.end

for.end:
  ret void
}

; Start and step values are constants. There is no 'fmul' operation in this case
;void fp_iv_loop4(ptr __restrict__ A, int N) {
;  float x = 1.0;
;  for (int i=0; i < N; ++i) {
;    A[i] = x;
;    x += 0.5;
;  }
;}


define void @fp_iv_loop4(ptr noalias nocapture %A, i32 %N) {
; VEC4_INTERL1-LABEL: @fp_iv_loop4(
; VEC4_INTERL1-NEXT:  entry:
; VEC4_INTERL1-NEXT:    [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
; VEC4_INTERL1-NEXT:    br i1 [[CMP4]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
; VEC4_INTERL1:       for.body.preheader:
; VEC4_INTERL1-NEXT:    [[TMP0:%.*]] = zext i32 [[N]] to i64
; VEC4_INTERL1-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 4
; VEC4_INTERL1-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; VEC4_INTERL1:       vector.ph:
; VEC4_INTERL1-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP0]], 4294967292
; VEC4_INTERL1-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC4_INTERL1-NEXT:    [[TMP1:%.*]] = fmul fast float [[DOTCAST]], 5.000000e-01
; VEC4_INTERL1-NEXT:    [[IND_END:%.*]] = fadd fast float [[TMP1]], 1.000000e+00
; VEC4_INTERL1-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC4_INTERL1:       vector.body:
; VEC4_INTERL1-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL1-NEXT:    [[VEC_IND:%.*]] = phi <4 x float> [ <float 1.000000e+00, float 1.500000e+00, float 2.000000e+00, float 2.500000e+00>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL1-NEXT:    [[TMP2:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC4_INTERL1-NEXT:    store <4 x float> [[VEC_IND]], ptr [[TMP2]], align 4
; VEC4_INTERL1-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; VEC4_INTERL1-NEXT:    [[VEC_IND_NEXT]] = fadd fast <4 x float> [[VEC_IND]], <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00>
; VEC4_INTERL1-NEXT:    [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC4_INTERL1-NEXT:    br i1 [[TMP3]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
; VEC4_INTERL1:       middle.block:
; VEC4_INTERL1-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP0]]
; VEC4_INTERL1-NEXT:    br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
; VEC4_INTERL1:       scalar.ph:
; VEC4_INTERL1-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
; VEC4_INTERL1-NEXT:    [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 1.000000e+00, [[FOR_BODY_PREHEADER]] ]
; VEC4_INTERL1-NEXT:    br label [[FOR_BODY:%.*]]
; VEC4_INTERL1:       for.body:
; VEC4_INTERL1-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
; VEC4_INTERL1-NEXT:    [[X_06:%.*]] = phi float [ [[CONV1:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
; VEC4_INTERL1-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; VEC4_INTERL1-NEXT:    store float [[X_06]], ptr [[ARRAYIDX]], align 4
; VEC4_INTERL1-NEXT:    [[CONV1]] = fadd fast float [[X_06]], 5.000000e-01
; VEC4_INTERL1-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; VEC4_INTERL1-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; VEC4_INTERL1-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
; VEC4_INTERL1-NEXT:    br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
; VEC4_INTERL1:       for.end.loopexit:
; VEC4_INTERL1-NEXT:    br label [[FOR_END]]
; VEC4_INTERL1:       for.end:
; VEC4_INTERL1-NEXT:    ret void
;
; VEC4_INTERL2-LABEL: @fp_iv_loop4(
; VEC4_INTERL2-NEXT:  entry:
; VEC4_INTERL2-NEXT:    [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
; VEC4_INTERL2-NEXT:    br i1 [[CMP4]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
; VEC4_INTERL2:       for.body.preheader:
; VEC4_INTERL2-NEXT:    [[TMP0:%.*]] = zext i32 [[N]] to i64
; VEC4_INTERL2-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 8
; VEC4_INTERL2-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; VEC4_INTERL2:       vector.ph:
; VEC4_INTERL2-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP0]], 4294967288
; VEC4_INTERL2-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC4_INTERL2-NEXT:    [[TMP1:%.*]] = fmul fast float [[DOTCAST]], 5.000000e-01
; VEC4_INTERL2-NEXT:    [[IND_END:%.*]] = fadd fast float [[TMP1]], 1.000000e+00
; VEC4_INTERL2-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC4_INTERL2:       vector.body:
; VEC4_INTERL2-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL2-NEXT:    [[VEC_IND:%.*]] = phi <4 x float> [ <float 1.000000e+00, float 1.500000e+00, float 2.000000e+00, float 2.500000e+00>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC4_INTERL2-NEXT:    [[STEP_ADD:%.*]] = fadd fast <4 x float> [[VEC_IND]], <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00>
; VEC4_INTERL2-NEXT:    [[TMP2:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC4_INTERL2-NEXT:    store <4 x float> [[VEC_IND]], ptr [[TMP2]], align 4
; VEC4_INTERL2-NEXT:    [[TMP3:%.*]] = getelementptr inbounds float, ptr [[TMP2]], i64 4
; VEC4_INTERL2-NEXT:    store <4 x float> [[STEP_ADD]], ptr [[TMP3]], align 4
; VEC4_INTERL2-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
; VEC4_INTERL2-NEXT:    [[VEC_IND_NEXT]] = fadd fast <4 x float> [[VEC_IND]], <float 4.000000e+00, float 4.000000e+00, float 4.000000e+00, float 4.000000e+00>
; VEC4_INTERL2-NEXT:    [[TMP4:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC4_INTERL2-NEXT:    br i1 [[TMP4]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
; VEC4_INTERL2:       middle.block:
; VEC4_INTERL2-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP0]]
; VEC4_INTERL2-NEXT:    br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
; VEC4_INTERL2:       scalar.ph:
; VEC4_INTERL2-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
; VEC4_INTERL2-NEXT:    [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 1.000000e+00, [[FOR_BODY_PREHEADER]] ]
; VEC4_INTERL2-NEXT:    br label [[FOR_BODY:%.*]]
; VEC4_INTERL2:       for.body:
; VEC4_INTERL2-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
; VEC4_INTERL2-NEXT:    [[X_06:%.*]] = phi float [ [[CONV1:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
; VEC4_INTERL2-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; VEC4_INTERL2-NEXT:    store float [[X_06]], ptr [[ARRAYIDX]], align 4
; VEC4_INTERL2-NEXT:    [[CONV1]] = fadd fast float [[X_06]], 5.000000e-01
; VEC4_INTERL2-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; VEC4_INTERL2-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; VEC4_INTERL2-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
; VEC4_INTERL2-NEXT:    br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
; VEC4_INTERL2:       for.end.loopexit:
; VEC4_INTERL2-NEXT:    br label [[FOR_END]]
; VEC4_INTERL2:       for.end:
; VEC4_INTERL2-NEXT:    ret void
;
; VEC1_INTERL2-LABEL: @fp_iv_loop4(
; VEC1_INTERL2-NEXT:  entry:
; VEC1_INTERL2-NEXT:    [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
; VEC1_INTERL2-NEXT:    br i1 [[CMP4]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
; VEC1_INTERL2:       for.body.preheader:
; VEC1_INTERL2-NEXT:    [[TMP0:%.*]] = zext i32 [[N]] to i64
; VEC1_INTERL2-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[N]], 1
; VEC1_INTERL2-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; VEC1_INTERL2:       vector.ph:
; VEC1_INTERL2-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP0]], 4294967294
; VEC1_INTERL2-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC1_INTERL2-NEXT:    [[TMP1:%.*]] = fmul fast float [[DOTCAST]], 5.000000e-01
; VEC1_INTERL2-NEXT:    [[IND_END:%.*]] = fadd fast float [[TMP1]], 1.000000e+00
; VEC1_INTERL2-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC1_INTERL2:       vector.body:
; VEC1_INTERL2-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC1_INTERL2-NEXT:    [[DOTCAST2:%.*]] = sitofp i64 [[INDEX]] to float
; VEC1_INTERL2-NEXT:    [[TMP2:%.*]] = fmul fast float [[DOTCAST2]], 5.000000e-01
; VEC1_INTERL2-NEXT:    [[OFFSET_IDX:%.*]] = fadd fast float [[TMP2]], 1.000000e+00
; VEC1_INTERL2-NEXT:    [[TMP3:%.*]] = fadd fast float [[TMP2]], 1.500000e+00
; VEC1_INTERL2-NEXT:    [[TMP4:%.*]] = or i64 [[INDEX]], 1
; VEC1_INTERL2-NEXT:    [[TMP5:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC1_INTERL2-NEXT:    [[TMP6:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP4]]
; VEC1_INTERL2-NEXT:    store float [[OFFSET_IDX]], ptr [[TMP5]], align 4
; VEC1_INTERL2-NEXT:    store float [[TMP3]], ptr [[TMP6]], align 4
; VEC1_INTERL2-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
; VEC1_INTERL2-NEXT:    [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC1_INTERL2-NEXT:    br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
; VEC1_INTERL2:       middle.block:
; VEC1_INTERL2-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP0]]
; VEC1_INTERL2-NEXT:    br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
; VEC1_INTERL2:       scalar.ph:
; VEC1_INTERL2-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
; VEC1_INTERL2-NEXT:    [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 1.000000e+00, [[FOR_BODY_PREHEADER]] ]
; VEC1_INTERL2-NEXT:    br label [[FOR_BODY:%.*]]
; VEC1_INTERL2:       for.body:
; VEC1_INTERL2-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
; VEC1_INTERL2-NEXT:    [[X_06:%.*]] = phi float [ [[CONV1:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
; VEC1_INTERL2-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; VEC1_INTERL2-NEXT:    store float [[X_06]], ptr [[ARRAYIDX]], align 4
; VEC1_INTERL2-NEXT:    [[CONV1]] = fadd fast float [[X_06]], 5.000000e-01
; VEC1_INTERL2-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; VEC1_INTERL2-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; VEC1_INTERL2-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
; VEC1_INTERL2-NEXT:    br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
; VEC1_INTERL2:       for.end.loopexit:
; VEC1_INTERL2-NEXT:    br label [[FOR_END]]
; VEC1_INTERL2:       for.end:
; VEC1_INTERL2-NEXT:    ret void
;
; VEC2_INTERL1_PRED_STORE-LABEL: @fp_iv_loop4(
; VEC2_INTERL1_PRED_STORE-NEXT:  entry:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[CMP4]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
; VEC2_INTERL1_PRED_STORE:       for.body.preheader:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP0:%.*]] = zext i32 [[N]] to i64
; VEC2_INTERL1_PRED_STORE-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[N]], 1
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[FOR_BODY:%.*]], label [[VECTOR_PH:%.*]]
; VEC2_INTERL1_PRED_STORE:       vector.ph:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP0]], 4294967294
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP1:%.*]] = fmul fast float [[DOTCAST]], 5.000000e-01
; VEC2_INTERL1_PRED_STORE-NEXT:    [[IND_END:%.*]] = fadd fast float [[TMP1]], 1.000000e+00
; VEC2_INTERL1_PRED_STORE-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC2_INTERL1_PRED_STORE:       vector.body:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[VEC_IND:%.*]] = phi <2 x float> [ <float 1.000000e+00, float 1.500000e+00>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP2:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC2_INTERL1_PRED_STORE-NEXT:    store <2 x float> [[VEC_IND]], ptr [[TMP2]], align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
; VEC2_INTERL1_PRED_STORE-NEXT:    [[VEC_IND_NEXT]] = fadd fast <2 x float> [[VEC_IND]], <float 1.000000e+00, float 1.000000e+00>
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[TMP3]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
; VEC2_INTERL1_PRED_STORE:       middle.block:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP0]]
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[CMP_N]], label [[FOR_END]], label [[FOR_BODY]]
; VEC2_INTERL1_PRED_STORE:       for.body:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[X_06:%.*]] = phi float [ [[CONV1:%.*]], [[FOR_BODY]] ], [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 1.000000e+00, [[FOR_BODY_PREHEADER]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; VEC2_INTERL1_PRED_STORE-NEXT:    store float [[X_06]], ptr [[ARRAYIDX]], align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    [[CONV1]] = fadd fast float [[X_06]], 5.000000e-01
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; VEC2_INTERL1_PRED_STORE-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; VEC2_INTERL1_PRED_STORE-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
; VEC2_INTERL1_PRED_STORE:       for.end:
; VEC2_INTERL1_PRED_STORE-NEXT:    ret void
;
entry:
  %cmp4 = icmp sgt i32 %N, 0
  br i1 %cmp4, label %for.body.preheader, label %for.end

for.body.preheader:                               ; preds = %entry
  br label %for.body

for.body:                                         ; preds = %for.body.preheader, %for.body
  %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
  %x.06 = phi float [ %conv1, %for.body ], [ 1.000000e+00, %for.body.preheader ]
  %arrayidx = getelementptr inbounds float, ptr %A, i64 %indvars.iv
  store float %x.06, ptr %arrayidx, align 4
  %conv1 = fadd fast float %x.06, 5.000000e-01
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
  %exitcond = icmp eq i32 %lftr.wideiv, %N
  br i1 %exitcond, label %for.end.loopexit, label %for.body

for.end.loopexit:                                 ; preds = %for.body
  br label %for.end

for.end:                                          ; preds = %for.end.loopexit, %entry
  ret void
}


define void @non_primary_iv_float_scalar(ptr %A, i64 %N) {
; VEC4_INTERL1-LABEL: @non_primary_iv_float_scalar(
; VEC4_INTERL1-NEXT:  entry:
; VEC4_INTERL1-NEXT:    [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
; VEC4_INTERL1-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
; VEC4_INTERL1-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; VEC4_INTERL1:       vector.ph:
; VEC4_INTERL1-NEXT:    [[N_VEC:%.*]] = and i64 [[SMAX]], 9223372036854775804
; VEC4_INTERL1-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC4_INTERL1-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC4_INTERL1:       vector.body:
; VEC4_INTERL1-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE8:%.*]] ]
; VEC4_INTERL1-NEXT:    [[DOTCAST2:%.*]] = sitofp i64 [[INDEX]] to float
; VEC4_INTERL1-NEXT:    [[TMP0:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC4_INTERL1-NEXT:    [[WIDE_LOAD:%.*]] = load <4 x float>, ptr [[TMP0]], align 4
; VEC4_INTERL1-NEXT:    [[TMP1:%.*]] = fcmp fast oeq <4 x float> [[WIDE_LOAD]], zeroinitializer
; VEC4_INTERL1-NEXT:    [[TMP2:%.*]] = extractelement <4 x i1> [[TMP1]], i64 0
; VEC4_INTERL1-NEXT:    br i1 [[TMP2]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]]
; VEC4_INTERL1:       pred.store.if:
; VEC4_INTERL1-NEXT:    [[TMP3:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDEX]]
; VEC4_INTERL1-NEXT:    store float [[DOTCAST2]], ptr [[TMP3]], align 4
; VEC4_INTERL1-NEXT:    br label [[PRED_STORE_CONTINUE]]
; VEC4_INTERL1:       pred.store.continue:
; VEC4_INTERL1-NEXT:    [[TMP4:%.*]] = extractelement <4 x i1> [[TMP1]], i64 1
; VEC4_INTERL1-NEXT:    br i1 [[TMP4]], label [[PRED_STORE_IF3:%.*]], label [[PRED_STORE_CONTINUE4:%.*]]
; VEC4_INTERL1:       pred.store.if3:
; VEC4_INTERL1-NEXT:    [[TMP5:%.*]] = or i64 [[INDEX]], 1
; VEC4_INTERL1-NEXT:    [[TMP6:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP5]]
; VEC4_INTERL1-NEXT:    [[TMP7:%.*]] = fadd fast float [[DOTCAST2]], 1.000000e+00
; VEC4_INTERL1-NEXT:    store float [[TMP7]], ptr [[TMP6]], align 4
; VEC4_INTERL1-NEXT:    br label [[PRED_STORE_CONTINUE4]]
; VEC4_INTERL1:       pred.store.continue4:
; VEC4_INTERL1-NEXT:    [[TMP8:%.*]] = extractelement <4 x i1> [[TMP1]], i64 2
; VEC4_INTERL1-NEXT:    br i1 [[TMP8]], label [[PRED_STORE_IF5:%.*]], label [[PRED_STORE_CONTINUE6:%.*]]
; VEC4_INTERL1:       pred.store.if5:
; VEC4_INTERL1-NEXT:    [[TMP9:%.*]] = or i64 [[INDEX]], 2
; VEC4_INTERL1-NEXT:    [[TMP10:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP9]]
; VEC4_INTERL1-NEXT:    [[TMP11:%.*]] = fadd fast float [[DOTCAST2]], 2.000000e+00
; VEC4_INTERL1-NEXT:    store float [[TMP11]], ptr [[TMP10]], align 4
; VEC4_INTERL1-NEXT:    br label [[PRED_STORE_CONTINUE6]]
; VEC4_INTERL1:       pred.store.continue6:
; VEC4_INTERL1-NEXT:    [[TMP12:%.*]] = extractelement <4 x i1> [[TMP1]], i64 3
; VEC4_INTERL1-NEXT:    br i1 [[TMP12]], label [[PRED_STORE_IF7:%.*]], label [[PRED_STORE_CONTINUE8]]
; VEC4_INTERL1:       pred.store.if7:
; VEC4_INTERL1-NEXT:    [[TMP13:%.*]] = or i64 [[INDEX]], 3
; VEC4_INTERL1-NEXT:    [[TMP14:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP13]]
; VEC4_INTERL1-NEXT:    [[TMP15:%.*]] = fadd fast float [[DOTCAST2]], 3.000000e+00
; VEC4_INTERL1-NEXT:    store float [[TMP15]], ptr [[TMP14]], align 4
; VEC4_INTERL1-NEXT:    br label [[PRED_STORE_CONTINUE8]]
; VEC4_INTERL1:       pred.store.continue8:
; VEC4_INTERL1-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; VEC4_INTERL1-NEXT:    [[TMP16:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC4_INTERL1-NEXT:    br i1 [[TMP16]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]]
; VEC4_INTERL1:       middle.block:
; VEC4_INTERL1-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
; VEC4_INTERL1-NEXT:    br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
; VEC4_INTERL1:       scalar.ph:
; VEC4_INTERL1-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
; VEC4_INTERL1-NEXT:    [[BC_RESUME_VAL1:%.*]] = phi float [ [[DOTCAST]], [[MIDDLE_BLOCK]] ], [ 0.000000e+00, [[ENTRY]] ]
; VEC4_INTERL1-NEXT:    br label [[FOR_BODY:%.*]]
; VEC4_INTERL1:       for.body:
; VEC4_INTERL1-NEXT:    [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_INC:%.*]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
; VEC4_INTERL1-NEXT:    [[J:%.*]] = phi float [ [[J_NEXT:%.*]], [[FOR_INC]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
; VEC4_INTERL1-NEXT:    [[VAR0:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[I]]
; VEC4_INTERL1-NEXT:    [[VAR1:%.*]] = load float, ptr [[VAR0]], align 4
; VEC4_INTERL1-NEXT:    [[VAR2:%.*]] = fcmp fast oeq float [[VAR1]], 0.000000e+00
; VEC4_INTERL1-NEXT:    br i1 [[VAR2]], label [[IF_PRED:%.*]], label [[FOR_INC]]
; VEC4_INTERL1:       if.pred:
; VEC4_INTERL1-NEXT:    store float [[J]], ptr [[VAR0]], align 4
; VEC4_INTERL1-NEXT:    br label [[FOR_INC]]
; VEC4_INTERL1:       for.inc:
; VEC4_INTERL1-NEXT:    [[I_NEXT]] = add nuw nsw i64 [[I]], 1
; VEC4_INTERL1-NEXT:    [[J_NEXT]] = fadd fast float [[J]], 1.000000e+00
; VEC4_INTERL1-NEXT:    [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; VEC4_INTERL1-NEXT:    br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP13:![0-9]+]]
; VEC4_INTERL1:       for.end:
; VEC4_INTERL1-NEXT:    ret void
;
; VEC4_INTERL2-LABEL: @non_primary_iv_float_scalar(
; VEC4_INTERL2-NEXT:  entry:
; VEC4_INTERL2-NEXT:    [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
; VEC4_INTERL2-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 8
; VEC4_INTERL2-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; VEC4_INTERL2:       vector.ph:
; VEC4_INTERL2-NEXT:    [[N_VEC:%.*]] = and i64 [[SMAX]], 9223372036854775800
; VEC4_INTERL2-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC4_INTERL2-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC4_INTERL2:       vector.body:
; VEC4_INTERL2-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE17:%.*]] ]
; VEC4_INTERL2-NEXT:    [[DOTCAST2:%.*]] = sitofp i64 [[INDEX]] to float
; VEC4_INTERL2-NEXT:    [[TMP0:%.*]] = or i64 [[INDEX]], 4
; VEC4_INTERL2-NEXT:    [[TMP1:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC4_INTERL2-NEXT:    [[WIDE_LOAD:%.*]] = load <4 x float>, ptr [[TMP1]], align 4
; VEC4_INTERL2-NEXT:    [[TMP2:%.*]] = getelementptr inbounds float, ptr [[TMP1]], i64 4
; VEC4_INTERL2-NEXT:    [[WIDE_LOAD3:%.*]] = load <4 x float>, ptr [[TMP2]], align 4
; VEC4_INTERL2-NEXT:    [[TMP3:%.*]] = fcmp fast oeq <4 x float> [[WIDE_LOAD]], zeroinitializer
; VEC4_INTERL2-NEXT:    [[TMP4:%.*]] = fcmp fast oeq <4 x float> [[WIDE_LOAD3]], zeroinitializer
; VEC4_INTERL2-NEXT:    [[TMP5:%.*]] = extractelement <4 x i1> [[TMP3]], i64 0
; VEC4_INTERL2-NEXT:    br i1 [[TMP5]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]]
; VEC4_INTERL2:       pred.store.if:
; VEC4_INTERL2-NEXT:    [[TMP6:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDEX]]
; VEC4_INTERL2-NEXT:    store float [[DOTCAST2]], ptr [[TMP6]], align 4
; VEC4_INTERL2-NEXT:    br label [[PRED_STORE_CONTINUE]]
; VEC4_INTERL2:       pred.store.continue:
; VEC4_INTERL2-NEXT:    [[TMP7:%.*]] = extractelement <4 x i1> [[TMP3]], i64 1
; VEC4_INTERL2-NEXT:    br i1 [[TMP7]], label [[PRED_STORE_IF4:%.*]], label [[PRED_STORE_CONTINUE5:%.*]]
; VEC4_INTERL2:       pred.store.if4:
; VEC4_INTERL2-NEXT:    [[TMP8:%.*]] = or i64 [[INDEX]], 1
; VEC4_INTERL2-NEXT:    [[TMP9:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP8]]
; VEC4_INTERL2-NEXT:    [[TMP10:%.*]] = fadd fast float [[DOTCAST2]], 1.000000e+00
; VEC4_INTERL2-NEXT:    store float [[TMP10]], ptr [[TMP9]], align 4
; VEC4_INTERL2-NEXT:    br label [[PRED_STORE_CONTINUE5]]
; VEC4_INTERL2:       pred.store.continue5:
; VEC4_INTERL2-NEXT:    [[TMP11:%.*]] = extractelement <4 x i1> [[TMP3]], i64 2
; VEC4_INTERL2-NEXT:    br i1 [[TMP11]], label [[PRED_STORE_IF6:%.*]], label [[PRED_STORE_CONTINUE7:%.*]]
; VEC4_INTERL2:       pred.store.if6:
; VEC4_INTERL2-NEXT:    [[TMP12:%.*]] = or i64 [[INDEX]], 2
; VEC4_INTERL2-NEXT:    [[TMP13:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP12]]
; VEC4_INTERL2-NEXT:    [[TMP14:%.*]] = fadd fast float [[DOTCAST2]], 2.000000e+00
; VEC4_INTERL2-NEXT:    store float [[TMP14]], ptr [[TMP13]], align 4
; VEC4_INTERL2-NEXT:    br label [[PRED_STORE_CONTINUE7]]
; VEC4_INTERL2:       pred.store.continue7:
; VEC4_INTERL2-NEXT:    [[TMP15:%.*]] = extractelement <4 x i1> [[TMP3]], i64 3
; VEC4_INTERL2-NEXT:    br i1 [[TMP15]], label [[PRED_STORE_IF8:%.*]], label [[PRED_STORE_CONTINUE9:%.*]]
; VEC4_INTERL2:       pred.store.if8:
; VEC4_INTERL2-NEXT:    [[TMP16:%.*]] = or i64 [[INDEX]], 3
; VEC4_INTERL2-NEXT:    [[TMP17:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP16]]
; VEC4_INTERL2-NEXT:    [[TMP18:%.*]] = fadd fast float [[DOTCAST2]], 3.000000e+00
; VEC4_INTERL2-NEXT:    store float [[TMP18]], ptr [[TMP17]], align 4
; VEC4_INTERL2-NEXT:    br label [[PRED_STORE_CONTINUE9]]
; VEC4_INTERL2:       pred.store.continue9:
; VEC4_INTERL2-NEXT:    [[TMP19:%.*]] = extractelement <4 x i1> [[TMP4]], i64 0
; VEC4_INTERL2-NEXT:    br i1 [[TMP19]], label [[PRED_STORE_IF10:%.*]], label [[PRED_STORE_CONTINUE11:%.*]]
; VEC4_INTERL2:       pred.store.if10:
; VEC4_INTERL2-NEXT:    [[TMP20:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP0]]
; VEC4_INTERL2-NEXT:    [[TMP21:%.*]] = fadd fast float [[DOTCAST2]], 4.000000e+00
; VEC4_INTERL2-NEXT:    store float [[TMP21]], ptr [[TMP20]], align 4
; VEC4_INTERL2-NEXT:    br label [[PRED_STORE_CONTINUE11]]
; VEC4_INTERL2:       pred.store.continue11:
; VEC4_INTERL2-NEXT:    [[TMP22:%.*]] = extractelement <4 x i1> [[TMP4]], i64 1
; VEC4_INTERL2-NEXT:    br i1 [[TMP22]], label [[PRED_STORE_IF12:%.*]], label [[PRED_STORE_CONTINUE13:%.*]]
; VEC4_INTERL2:       pred.store.if12:
; VEC4_INTERL2-NEXT:    [[TMP23:%.*]] = or i64 [[INDEX]], 5
; VEC4_INTERL2-NEXT:    [[TMP24:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP23]]
; VEC4_INTERL2-NEXT:    [[TMP25:%.*]] = fadd fast float [[DOTCAST2]], 5.000000e+00
; VEC4_INTERL2-NEXT:    store float [[TMP25]], ptr [[TMP24]], align 4
; VEC4_INTERL2-NEXT:    br label [[PRED_STORE_CONTINUE13]]
; VEC4_INTERL2:       pred.store.continue13:
; VEC4_INTERL2-NEXT:    [[TMP26:%.*]] = extractelement <4 x i1> [[TMP4]], i64 2
; VEC4_INTERL2-NEXT:    br i1 [[TMP26]], label [[PRED_STORE_IF14:%.*]], label [[PRED_STORE_CONTINUE15:%.*]]
; VEC4_INTERL2:       pred.store.if14:
; VEC4_INTERL2-NEXT:    [[TMP27:%.*]] = or i64 [[INDEX]], 6
; VEC4_INTERL2-NEXT:    [[TMP28:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP27]]
; VEC4_INTERL2-NEXT:    [[TMP29:%.*]] = fadd fast float [[DOTCAST2]], 6.000000e+00
; VEC4_INTERL2-NEXT:    store float [[TMP29]], ptr [[TMP28]], align 4
; VEC4_INTERL2-NEXT:    br label [[PRED_STORE_CONTINUE15]]
; VEC4_INTERL2:       pred.store.continue15:
; VEC4_INTERL2-NEXT:    [[TMP30:%.*]] = extractelement <4 x i1> [[TMP4]], i64 3
; VEC4_INTERL2-NEXT:    br i1 [[TMP30]], label [[PRED_STORE_IF16:%.*]], label [[PRED_STORE_CONTINUE17]]
; VEC4_INTERL2:       pred.store.if16:
; VEC4_INTERL2-NEXT:    [[TMP31:%.*]] = or i64 [[INDEX]], 7
; VEC4_INTERL2-NEXT:    [[TMP32:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP31]]
; VEC4_INTERL2-NEXT:    [[TMP33:%.*]] = fadd fast float [[DOTCAST2]], 7.000000e+00
; VEC4_INTERL2-NEXT:    store float [[TMP33]], ptr [[TMP32]], align 4
; VEC4_INTERL2-NEXT:    br label [[PRED_STORE_CONTINUE17]]
; VEC4_INTERL2:       pred.store.continue17:
; VEC4_INTERL2-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
; VEC4_INTERL2-NEXT:    [[TMP34:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC4_INTERL2-NEXT:    br i1 [[TMP34]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]]
; VEC4_INTERL2:       middle.block:
; VEC4_INTERL2-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
; VEC4_INTERL2-NEXT:    br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
; VEC4_INTERL2:       scalar.ph:
; VEC4_INTERL2-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
; VEC4_INTERL2-NEXT:    [[BC_RESUME_VAL1:%.*]] = phi float [ [[DOTCAST]], [[MIDDLE_BLOCK]] ], [ 0.000000e+00, [[ENTRY]] ]
; VEC4_INTERL2-NEXT:    br label [[FOR_BODY:%.*]]
; VEC4_INTERL2:       for.body:
; VEC4_INTERL2-NEXT:    [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_INC:%.*]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
; VEC4_INTERL2-NEXT:    [[J:%.*]] = phi float [ [[J_NEXT:%.*]], [[FOR_INC]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
; VEC4_INTERL2-NEXT:    [[VAR0:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[I]]
; VEC4_INTERL2-NEXT:    [[VAR1:%.*]] = load float, ptr [[VAR0]], align 4
; VEC4_INTERL2-NEXT:    [[VAR2:%.*]] = fcmp fast oeq float [[VAR1]], 0.000000e+00
; VEC4_INTERL2-NEXT:    br i1 [[VAR2]], label [[IF_PRED:%.*]], label [[FOR_INC]]
; VEC4_INTERL2:       if.pred:
; VEC4_INTERL2-NEXT:    store float [[J]], ptr [[VAR0]], align 4
; VEC4_INTERL2-NEXT:    br label [[FOR_INC]]
; VEC4_INTERL2:       for.inc:
; VEC4_INTERL2-NEXT:    [[I_NEXT]] = add nuw nsw i64 [[I]], 1
; VEC4_INTERL2-NEXT:    [[J_NEXT]] = fadd fast float [[J]], 1.000000e+00
; VEC4_INTERL2-NEXT:    [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; VEC4_INTERL2-NEXT:    br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP13:![0-9]+]]
; VEC4_INTERL2:       for.end:
; VEC4_INTERL2-NEXT:    ret void
;
; VEC1_INTERL2-LABEL: @non_primary_iv_float_scalar(
; VEC1_INTERL2-NEXT:  entry:
; VEC1_INTERL2-NEXT:    [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
; VEC1_INTERL2-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 2
; VEC1_INTERL2-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; VEC1_INTERL2:       vector.ph:
; VEC1_INTERL2-NEXT:    [[N_VEC:%.*]] = and i64 [[SMAX]], 9223372036854775806
; VEC1_INTERL2-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC1_INTERL2-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC1_INTERL2:       vector.body:
; VEC1_INTERL2-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE4:%.*]] ]
; VEC1_INTERL2-NEXT:    [[DOTCAST2:%.*]] = sitofp i64 [[INDEX]] to float
; VEC1_INTERL2-NEXT:    [[TMP0:%.*]] = or i64 [[INDEX]], 1
; VEC1_INTERL2-NEXT:    [[TMP1:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC1_INTERL2-NEXT:    [[TMP2:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP0]]
; VEC1_INTERL2-NEXT:    [[TMP3:%.*]] = load float, ptr [[TMP1]], align 4
; VEC1_INTERL2-NEXT:    [[TMP4:%.*]] = load float, ptr [[TMP2]], align 4
; VEC1_INTERL2-NEXT:    [[TMP5:%.*]] = fcmp fast oeq float [[TMP3]], 0.000000e+00
; VEC1_INTERL2-NEXT:    [[TMP6:%.*]] = fcmp fast oeq float [[TMP4]], 0.000000e+00
; VEC1_INTERL2-NEXT:    br i1 [[TMP5]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]]
; VEC1_INTERL2:       pred.store.if:
; VEC1_INTERL2-NEXT:    store float [[DOTCAST2]], ptr [[TMP1]], align 4
; VEC1_INTERL2-NEXT:    br label [[PRED_STORE_CONTINUE]]
; VEC1_INTERL2:       pred.store.continue:
; VEC1_INTERL2-NEXT:    br i1 [[TMP6]], label [[PRED_STORE_IF3:%.*]], label [[PRED_STORE_CONTINUE4]]
; VEC1_INTERL2:       pred.store.if3:
; VEC1_INTERL2-NEXT:    [[TMP7:%.*]] = fadd fast float [[DOTCAST2]], 1.000000e+00
; VEC1_INTERL2-NEXT:    store float [[TMP7]], ptr [[TMP2]], align 4
; VEC1_INTERL2-NEXT:    br label [[PRED_STORE_CONTINUE4]]
; VEC1_INTERL2:       pred.store.continue4:
; VEC1_INTERL2-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
; VEC1_INTERL2-NEXT:    [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC1_INTERL2-NEXT:    br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]]
; VEC1_INTERL2:       middle.block:
; VEC1_INTERL2-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
; VEC1_INTERL2-NEXT:    br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
; VEC1_INTERL2:       scalar.ph:
; VEC1_INTERL2-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
; VEC1_INTERL2-NEXT:    [[BC_RESUME_VAL1:%.*]] = phi float [ [[DOTCAST]], [[MIDDLE_BLOCK]] ], [ 0.000000e+00, [[ENTRY]] ]
; VEC1_INTERL2-NEXT:    br label [[FOR_BODY:%.*]]
; VEC1_INTERL2:       for.body:
; VEC1_INTERL2-NEXT:    [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_INC:%.*]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
; VEC1_INTERL2-NEXT:    [[J:%.*]] = phi float [ [[J_NEXT:%.*]], [[FOR_INC]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
; VEC1_INTERL2-NEXT:    [[VAR0:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[I]]
; VEC1_INTERL2-NEXT:    [[VAR1:%.*]] = load float, ptr [[VAR0]], align 4
; VEC1_INTERL2-NEXT:    [[VAR2:%.*]] = fcmp fast oeq float [[VAR1]], 0.000000e+00
; VEC1_INTERL2-NEXT:    br i1 [[VAR2]], label [[IF_PRED:%.*]], label [[FOR_INC]]
; VEC1_INTERL2:       if.pred:
; VEC1_INTERL2-NEXT:    store float [[J]], ptr [[VAR0]], align 4
; VEC1_INTERL2-NEXT:    br label [[FOR_INC]]
; VEC1_INTERL2:       for.inc:
; VEC1_INTERL2-NEXT:    [[I_NEXT]] = add nuw nsw i64 [[I]], 1
; VEC1_INTERL2-NEXT:    [[J_NEXT]] = fadd fast float [[J]], 1.000000e+00
; VEC1_INTERL2-NEXT:    [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; VEC1_INTERL2-NEXT:    br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP13:![0-9]+]]
; VEC1_INTERL2:       for.end:
; VEC1_INTERL2-NEXT:    ret void
;
; VEC2_INTERL1_PRED_STORE-LABEL: @non_primary_iv_float_scalar(
; VEC2_INTERL1_PRED_STORE-NEXT:  entry:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
; VEC2_INTERL1_PRED_STORE-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 2
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[FOR_BODY:%.*]], label [[VECTOR_PH:%.*]]
; VEC2_INTERL1_PRED_STORE:       vector.ph:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[N_VEC:%.*]] = and i64 [[SMAX]], 9223372036854775806
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float
; VEC2_INTERL1_PRED_STORE-NEXT:    br label [[VECTOR_BODY:%.*]]
; VEC2_INTERL1_PRED_STORE:       vector.body:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE4:%.*]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[DOTCAST2:%.*]] = sitofp i64 [[INDEX]] to float
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP0:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[WIDE_LOAD:%.*]] = load <2 x float>, ptr [[TMP0]], align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP1:%.*]] = fcmp fast oeq <2 x float> [[WIDE_LOAD]], zeroinitializer
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP2:%.*]] = extractelement <2 x i1> [[TMP1]], i64 0
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[TMP2]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]]
; VEC2_INTERL1_PRED_STORE:       pred.store.if:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP3:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDEX]]
; VEC2_INTERL1_PRED_STORE-NEXT:    store float [[DOTCAST2]], ptr [[TMP3]], align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    br label [[PRED_STORE_CONTINUE]]
; VEC2_INTERL1_PRED_STORE:       pred.store.continue:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP4:%.*]] = extractelement <2 x i1> [[TMP1]], i64 1
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[TMP4]], label [[PRED_STORE_IF3:%.*]], label [[PRED_STORE_CONTINUE4]]
; VEC2_INTERL1_PRED_STORE:       pred.store.if3:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP5:%.*]] = or i64 [[INDEX]], 1
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP6:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP5]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP7:%.*]] = fadd fast float [[DOTCAST2]], 1.000000e+00
; VEC2_INTERL1_PRED_STORE-NEXT:    store float [[TMP7]], ptr [[TMP6]], align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    br label [[PRED_STORE_CONTINUE4]]
; VEC2_INTERL1_PRED_STORE:       pred.store.continue4:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
; VEC2_INTERL1_PRED_STORE-NEXT:    [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]]
; VEC2_INTERL1_PRED_STORE:       middle.block:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[FOR_BODY]]
; VEC2_INTERL1_PRED_STORE:       for.body:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_INC:%.*]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[J:%.*]] = phi float [ [[J_NEXT:%.*]], [[FOR_INC]] ], [ [[DOTCAST]], [[MIDDLE_BLOCK]] ], [ 0.000000e+00, [[ENTRY]] ]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[VAR0:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[I]]
; VEC2_INTERL1_PRED_STORE-NEXT:    [[VAR1:%.*]] = load float, ptr [[VAR0]], align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    [[VAR2:%.*]] = fcmp fast oeq float [[VAR1]], 0.000000e+00
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[VAR2]], label [[IF_PRED:%.*]], label [[FOR_INC]]
; VEC2_INTERL1_PRED_STORE:       if.pred:
; VEC2_INTERL1_PRED_STORE-NEXT:    store float [[J]], ptr [[VAR0]], align 4
; VEC2_INTERL1_PRED_STORE-NEXT:    br label [[FOR_INC]]
; VEC2_INTERL1_PRED_STORE:       for.inc:
; VEC2_INTERL1_PRED_STORE-NEXT:    [[I_NEXT]] = add nuw nsw i64 [[I]], 1
; VEC2_INTERL1_PRED_STORE-NEXT:    [[J_NEXT]] = fadd fast float [[J]], 1.000000e+00
; VEC2_INTERL1_PRED_STORE-NEXT:    [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; VEC2_INTERL1_PRED_STORE-NEXT:    br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP13:![0-9]+]]
; VEC2_INTERL1_PRED_STORE:       for.end:
; VEC2_INTERL1_PRED_STORE-NEXT:    ret void
;
entry:
  br label %for.body

for.body:
  %i = phi i64 [ %i.next, %for.inc ], [ 0, %entry ]
  %j = phi float [ %j.next, %for.inc ], [ 0.0, %entry ]
  %var0 = getelementptr inbounds float, ptr %A, i64 %i
  %var1 = load float, ptr %var0, align 4
  %var2 = fcmp fast oeq float %var1, 0.0
  br i1 %var2, label %if.pred, label %for.inc

if.pred:
  store float %j, ptr %var0, align 4
  br label %for.inc

for.inc:
  %i.next = add nuw nsw i64 %i, 1
  %j.next = fadd fast float %j, 1.0
  %cond = icmp slt i64 %i.next, %N
  br i1 %cond, label %for.body, label %for.end

for.end:
  ret void
}