llvm/test/Transforms/SLPVectorizer/X86/scatter-vectorize-reused-pointer.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=slp-vectorizer < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=skylake -slp-threshold=-14 | FileCheck %s

define void @test(i1 %c, ptr %arg) {
; CHECK-LABEL: @test(
; CHECK-NEXT:    br i1 [[C:%.*]], label [[IF:%.*]], label [[ELSE:%.*]]
; CHECK:       if:
; CHECK-NEXT:    [[ARG2_2:%.*]] = getelementptr inbounds i8, ptr [[ARG:%.*]], i64 24
; CHECK-NEXT:    [[TMP1:%.*]] = load <2 x i64>, ptr [[ARG]], align 8
; CHECK-NEXT:    [[TMP2:%.*]] = shufflevector <2 x i64> [[TMP1]], <2 x i64> poison, <2 x i32> <i32 1, i32 0>
; CHECK-NEXT:    [[TMP3:%.*]] = load <2 x i64>, ptr [[ARG2_2]], align 8
; CHECK-NEXT:    [[TMP4:%.*]] = shufflevector <2 x i64> [[TMP3]], <2 x i64> poison, <2 x i32> <i32 1, i32 0>
; CHECK-NEXT:    [[TMP5:%.*]] = call <4 x i64> @llvm.vector.insert.v4i64.v2i64(<4 x i64> poison, <2 x i64> [[TMP4]], i64 0)
; CHECK-NEXT:    [[TMP6:%.*]] = call <4 x i64> @llvm.vector.insert.v4i64.v2i64(<4 x i64> [[TMP5]], <2 x i64> [[TMP2]], i64 2)
; CHECK-NEXT:    br label [[JOIN:%.*]]
; CHECK:       else:
; CHECK-NEXT:    [[ARG_2:%.*]] = getelementptr inbounds i8, ptr [[ARG]], i64 24
; CHECK-NEXT:    [[TMP7:%.*]] = load <2 x i64>, ptr [[ARG]], align 8
; CHECK-NEXT:    [[TMP8:%.*]] = shufflevector <2 x i64> [[TMP7]], <2 x i64> poison, <2 x i32> <i32 1, i32 0>
; CHECK-NEXT:    [[TMP9:%.*]] = load <2 x i64>, ptr [[ARG_2]], align 8
; CHECK-NEXT:    [[TMP10:%.*]] = shufflevector <2 x i64> [[TMP9]], <2 x i64> poison, <2 x i32> <i32 1, i32 0>
; CHECK-NEXT:    [[TMP11:%.*]] = call <4 x i64> @llvm.vector.insert.v4i64.v2i64(<4 x i64> poison, <2 x i64> [[TMP10]], i64 0)
; CHECK-NEXT:    [[TMP12:%.*]] = call <4 x i64> @llvm.vector.insert.v4i64.v2i64(<4 x i64> [[TMP11]], <2 x i64> [[TMP8]], i64 2)
; CHECK-NEXT:    br label [[JOIN]]
; CHECK:       join:
; CHECK-NEXT:    [[TMP13:%.*]] = phi <4 x i64> [ [[TMP6]], [[IF]] ], [ [[TMP12]], [[ELSE]] ]
; CHECK-NEXT:    ret void
;
  br i1 %c, label %if, label %else

if:
  %i2.0 = load i64, ptr %arg, align 8
  %arg2.1 = getelementptr inbounds i8, ptr %arg, i64 8
  %i2.1 = load i64, ptr %arg2.1, align 8
  %arg2.2 = getelementptr inbounds i8, ptr %arg, i64 24
  %i2.2 = load i64, ptr %arg2.2, align 8
  %arg2.3 = getelementptr inbounds i8, ptr %arg, i64 32
  %i2.3 = load i64, ptr %arg2.3, align 8
  br label %join

else:
  %i.0 = load i64, ptr %arg, align 8
  %arg.1 = getelementptr inbounds i8, ptr %arg, i64 8
  %i.1 = load i64, ptr %arg.1, align 8
  %arg.2 = getelementptr inbounds i8, ptr %arg, i64 24
  %i.2 = load i64, ptr %arg.2, align 8
  %arg.3 = getelementptr inbounds i8, ptr %arg, i64 32
  %i.3 = load i64, ptr %arg.3, align 8
  br label %join

join:
  %phi.3 = phi i64 [ %i2.3, %if ], [ %i.3, %else ]
  %phi.2 = phi i64 [ %i2.2, %if ], [ %i.2, %else ]
  %phi.1 = phi i64 [ %i2.1, %if ], [ %i.1, %else ]
  %phi.0 = phi i64 [ %i2.0, %if ], [ %i.0, %else ]
  ret void
}