|  | ; RUN: opt < %s -indvars -S | FileCheck %s | 
|  |  | 
|  | ; Indvars should be able to promote the hiPart induction variable in the | 
|  | ; inner loop to i64. | 
|  | ; TODO: it should promote hiPart to i64 in the outer loop too. | 
|  |  | 
|  | target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n32:64" | 
|  |  | 
|  | define void @t(float* %pTmp1, float* %peakWeight, float* %nrgReducePeakrate, i32 %bandEdgeIndex, float %tmp1) nounwind { | 
|  | entry: | 
|  | %tmp = load float, float* %peakWeight, align 4		; <float> [#uses=1] | 
|  | %tmp2 = icmp sgt i32 %bandEdgeIndex, 0		; <i1> [#uses=1] | 
|  | br i1 %tmp2, label %bb.nph22, label %return | 
|  |  | 
|  | bb.nph22:		; preds = %entry | 
|  | %tmp3 = add i32 %bandEdgeIndex, -1		; <i32> [#uses=2] | 
|  | br label %bb | 
|  |  | 
|  | ; CHECK: bb: | 
|  | ; CHECK: phi i64 | 
|  | ; CHECK-NOT: phi i64 | 
|  | bb:		; preds = %bb8, %bb.nph22 | 
|  | %distERBhi.121 = phi float [ %distERBhi.2.lcssa, %bb8 ], [ 0.000000e+00, %bb.nph22 ]		; <float> [#uses=2] | 
|  | %distERBlo.120 = phi float [ %distERBlo.0.lcssa, %bb8 ], [ 0.000000e+00, %bb.nph22 ]		; <float> [#uses=2] | 
|  | %hiPart.119 = phi i32 [ %hiPart.0.lcssa, %bb8 ], [ 0, %bb.nph22 ]		; <i32> [#uses=3] | 
|  | %loPart.118 = phi i32 [ %loPart.0.lcssa, %bb8 ], [ 0, %bb.nph22 ]		; <i32> [#uses=2] | 
|  | %peakCount.117 = phi float [ %peakCount.2.lcssa, %bb8 ], [ %tmp, %bb.nph22 ]		; <float> [#uses=2] | 
|  | %part.016 = phi i32 [ %tmp46, %bb8 ], [ 0, %bb.nph22 ]		; <i32> [#uses=5] | 
|  | %tmp4 = icmp sgt i32 %part.016, 0		; <i1> [#uses=1] | 
|  | br i1 %tmp4, label %bb1, label %bb3.preheader | 
|  |  | 
|  | ; CHECK: bb1: | 
|  | bb1:		; preds = %bb | 
|  | %tmp5 = add i32 %part.016, -1		; <i32> [#uses=1] | 
|  | %tmp6 = sext i32 %tmp5 to i64		; <i64> [#uses=1] | 
|  | %tmp7 = getelementptr float, float* %pTmp1, i64 %tmp6		; <float*> [#uses=1] | 
|  | %tmp8 = load float, float* %tmp7, align 4		; <float> [#uses=1] | 
|  | %tmp9 = fadd float %tmp8, %distERBlo.120		; <float> [#uses=1] | 
|  | %tmp10 = add i32 %part.016, -1		; <i32> [#uses=1] | 
|  | %tmp11 = sext i32 %tmp10 to i64		; <i64> [#uses=1] | 
|  | %tmp12 = getelementptr float, float* %pTmp1, i64 %tmp11		; <float*> [#uses=1] | 
|  | %tmp13 = load float, float* %tmp12, align 4		; <float> [#uses=1] | 
|  | %tmp14 = fsub float %distERBhi.121, %tmp13		; <float> [#uses=1] | 
|  | br label %bb3.preheader | 
|  |  | 
|  | bb3.preheader:		; preds = %bb1, %bb | 
|  | %distERBlo.0.ph = phi float [ %distERBlo.120, %bb ], [ %tmp9, %bb1 ]		; <float> [#uses=3] | 
|  | %distERBhi.0.ph = phi float [ %distERBhi.121, %bb ], [ %tmp14, %bb1 ]		; <float> [#uses=3] | 
|  | %tmp15 = fcmp ogt float %distERBlo.0.ph, 2.500000e+00		; <i1> [#uses=1] | 
|  | br i1 %tmp15, label %bb.nph, label %bb5.preheader | 
|  |  | 
|  | bb.nph:		; preds = %bb3.preheader | 
|  | br label %bb2 | 
|  |  | 
|  | bb2:		; preds = %bb3, %bb.nph | 
|  | %distERBlo.03 = phi float [ %tmp19, %bb3 ], [ %distERBlo.0.ph, %bb.nph ]		; <float> [#uses=1] | 
|  | %loPart.02 = phi i32 [ %tmp24, %bb3 ], [ %loPart.118, %bb.nph ]		; <i32> [#uses=3] | 
|  | %peakCount.01 = phi float [ %tmp23, %bb3 ], [ %peakCount.117, %bb.nph ]		; <float> [#uses=1] | 
|  | %tmp16 = sext i32 %loPart.02 to i64		; <i64> [#uses=1] | 
|  | %tmp17 = getelementptr float, float* %pTmp1, i64 %tmp16		; <float*> [#uses=1] | 
|  | %tmp18 = load float, float* %tmp17, align 4		; <float> [#uses=1] | 
|  | %tmp19 = fsub float %distERBlo.03, %tmp18		; <float> [#uses=3] | 
|  | %tmp20 = sext i32 %loPart.02 to i64		; <i64> [#uses=1] | 
|  | %tmp21 = getelementptr float, float* %peakWeight, i64 %tmp20		; <float*> [#uses=1] | 
|  | %tmp22 = load float, float* %tmp21, align 4		; <float> [#uses=1] | 
|  | %tmp23 = fsub float %peakCount.01, %tmp22		; <float> [#uses=2] | 
|  | %tmp24 = add i32 %loPart.02, 1		; <i32> [#uses=2] | 
|  | br label %bb3 | 
|  |  | 
|  | bb3:		; preds = %bb2 | 
|  | %tmp25 = fcmp ogt float %tmp19, 2.500000e+00		; <i1> [#uses=1] | 
|  | br i1 %tmp25, label %bb2, label %bb3.bb5.preheader_crit_edge | 
|  |  | 
|  | bb3.bb5.preheader_crit_edge:		; preds = %bb3 | 
|  | %tmp24.lcssa = phi i32 [ %tmp24, %bb3 ]		; <i32> [#uses=1] | 
|  | %tmp23.lcssa = phi float [ %tmp23, %bb3 ]		; <float> [#uses=1] | 
|  | %tmp19.lcssa = phi float [ %tmp19, %bb3 ]		; <float> [#uses=1] | 
|  | br label %bb5.preheader | 
|  |  | 
|  | bb5.preheader:		; preds = %bb3.bb5.preheader_crit_edge, %bb3.preheader | 
|  | %distERBlo.0.lcssa = phi float [ %tmp19.lcssa, %bb3.bb5.preheader_crit_edge ], [ %distERBlo.0.ph, %bb3.preheader ]		; <float> [#uses=2] | 
|  | %loPart.0.lcssa = phi i32 [ %tmp24.lcssa, %bb3.bb5.preheader_crit_edge ], [ %loPart.118, %bb3.preheader ]		; <i32> [#uses=1] | 
|  | %peakCount.0.lcssa = phi float [ %tmp23.lcssa, %bb3.bb5.preheader_crit_edge ], [ %peakCount.117, %bb3.preheader ]		; <float> [#uses=2] | 
|  | %.not10 = fcmp olt float %distERBhi.0.ph, 2.500000e+00		; <i1> [#uses=1] | 
|  | %tmp26 = icmp sgt i32 %tmp3, %hiPart.119		; <i1> [#uses=1] | 
|  | %or.cond11 = and i1 %tmp26, %.not10		; <i1> [#uses=1] | 
|  | br i1 %or.cond11, label %bb.nph12, label %bb7 | 
|  |  | 
|  | bb.nph12:		; preds = %bb5.preheader | 
|  | br label %bb4 | 
|  | ; CHECK: bb4: | 
|  | ; CHECK: phi i64 | 
|  | ; CHECK-NOT: phi i64 | 
|  | ; CHECK-NOT: sext | 
|  | bb4:		; preds = %bb5, %bb.nph12 | 
|  | %distERBhi.29 = phi float [ %tmp30, %bb5 ], [ %distERBhi.0.ph, %bb.nph12 ]		; <float> [#uses=1] | 
|  | %hiPart.08 = phi i32 [ %tmp31, %bb5 ], [ %hiPart.119, %bb.nph12 ]		; <i32> [#uses=2] | 
|  | %peakCount.27 = phi float [ %tmp35, %bb5 ], [ %peakCount.0.lcssa, %bb.nph12 ]		; <float> [#uses=1] | 
|  | %tmp27 = sext i32 %hiPart.08 to i64		; <i64> [#uses=1] | 
|  | %tmp28 = getelementptr float, float* %pTmp1, i64 %tmp27		; <float*> [#uses=1] | 
|  | %tmp29 = load float, float* %tmp28, align 4		; <float> [#uses=1] | 
|  | %tmp30 = fadd float %tmp29, %distERBhi.29		; <float> [#uses=3] | 
|  | %tmp31 = add i32 %hiPart.08, 1		; <i32> [#uses=4] | 
|  | %tmp32 = sext i32 %tmp31 to i64		; <i64> [#uses=1] | 
|  | %tmp33 = getelementptr float, float* %peakWeight, i64 %tmp32		; <float*> [#uses=1] | 
|  | %tmp34 = load float, float* %tmp33, align 4		; <float> [#uses=1] | 
|  | %tmp35 = fadd float %tmp34, %peakCount.27		; <float> [#uses=2] | 
|  | br label %bb5 | 
|  |  | 
|  | ; CHECK: bb5: | 
|  | bb5:		; preds = %bb4 | 
|  | %.not = fcmp olt float %tmp30, 2.500000e+00		; <i1> [#uses=1] | 
|  | %tmp36 = icmp sgt i32 %tmp3, %tmp31		; <i1> [#uses=1] | 
|  | %or.cond = and i1 %tmp36, %.not		; <i1> [#uses=1] | 
|  | br i1 %or.cond, label %bb4, label %bb5.bb7_crit_edge | 
|  |  | 
|  | bb5.bb7_crit_edge:		; preds = %bb5 | 
|  | %tmp35.lcssa = phi float [ %tmp35, %bb5 ]		; <float> [#uses=1] | 
|  | %tmp31.lcssa = phi i32 [ %tmp31, %bb5 ]		; <i32> [#uses=1] | 
|  | %tmp30.lcssa = phi float [ %tmp30, %bb5 ]		; <float> [#uses=1] | 
|  | br label %bb7 | 
|  |  | 
|  | bb7:		; preds = %bb5.bb7_crit_edge, %bb5.preheader | 
|  | %distERBhi.2.lcssa = phi float [ %tmp30.lcssa, %bb5.bb7_crit_edge ], [ %distERBhi.0.ph, %bb5.preheader ]		; <float> [#uses=2] | 
|  | %hiPart.0.lcssa = phi i32 [ %tmp31.lcssa, %bb5.bb7_crit_edge ], [ %hiPart.119, %bb5.preheader ]		; <i32> [#uses=1] | 
|  | %peakCount.2.lcssa = phi float [ %tmp35.lcssa, %bb5.bb7_crit_edge ], [ %peakCount.0.lcssa, %bb5.preheader ]		; <float> [#uses=2] | 
|  | %tmp37 = fadd float %distERBlo.0.lcssa, %distERBhi.2.lcssa		; <float> [#uses=1] | 
|  | %tmp38 = fdiv float %peakCount.2.lcssa, %tmp37		; <float> [#uses=1] | 
|  | %tmp39 = fmul float %tmp38, %tmp1		; <float> [#uses=2] | 
|  | %tmp40 = fmul float %tmp39, %tmp39		; <float> [#uses=2] | 
|  | %tmp41 = fmul float %tmp40, %tmp40		; <float> [#uses=1] | 
|  | %tmp42 = fadd float %tmp41, 1.000000e+00		; <float> [#uses=1] | 
|  | %tmp43 = fdiv float 1.000000e+00, %tmp42		; <float> [#uses=1] | 
|  | %tmp44 = sext i32 %part.016 to i64		; <i64> [#uses=1] | 
|  | %tmp45 = getelementptr float, float* %nrgReducePeakrate, i64 %tmp44		; <float*> [#uses=1] | 
|  | store float %tmp43, float* %tmp45, align 4 | 
|  | %tmp46 = add i32 %part.016, 1		; <i32> [#uses=2] | 
|  | br label %bb8 | 
|  |  | 
|  | bb8:		; preds = %bb7 | 
|  | %tmp47 = icmp slt i32 %tmp46, %bandEdgeIndex		; <i1> [#uses=1] | 
|  | br i1 %tmp47, label %bb, label %bb8.return_crit_edge | 
|  |  | 
|  | bb8.return_crit_edge:		; preds = %bb8 | 
|  | br label %return | 
|  |  | 
|  | return:		; preds = %bb8.return_crit_edge, %entry | 
|  | ret void | 
|  | } |