llvm/test/Transforms/SLPVectorizer/X86/reused-last-instruction-in-split-node.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
; RUN: opt -S --passes=slp-vectorizer -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s

define float @test() {
; CHECK-LABEL: define float @test() {
; CHECK-NEXT:  [[LABEL:.*]]:
; CHECK-NEXT:    [[TMP0:%.*]] = insertelement <12 x float> <float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float undef, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float undef>, float 0.000000e+00, i64 5
; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <12 x float> <float undef, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float undef, float 0.000000e+00, float 0.000000e+00, float undef>, float 0.000000e+00, i64 0
; CHECK-NEXT:    [[TMP2:%.*]] = insertelement <12 x float> [[TMP1]], float 0.000000e+00, i64 8
; CHECK-NEXT:    [[TMP3:%.*]] = fmul <12 x float> [[TMP0]], [[TMP2]]
; CHECK-NEXT:    [[TMP4:%.*]] = fadd <12 x float> [[TMP3]], <float 0.000000e+00, float 0.000000e+00, float -0.000000e+00, float 0.000000e+00, float -0.000000e+00, float 0.000000e+00, float -0.000000e+00, float 0.000000e+00, float 0.000000e+00, float -0.000000e+00, float 0.000000e+00, float poison>
; CHECK-NEXT:    [[TMP5:%.*]] = fsub <8 x float> zeroinitializer, <float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float poison>
; CHECK-NEXT:    [[TMP6:%.*]] = fadd <12 x float> <float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float poison>, [[TMP4]]
; CHECK-NEXT:    [[TMP7:%.*]] = shufflevector <12 x float> [[TMP6]], <12 x float> poison, <20 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT:    [[TMP8:%.*]] = shufflevector <8 x float> [[TMP5]], <8 x float> poison, <20 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT:    [[TMP9:%.*]] = shufflevector <20 x float> [[TMP7]], <20 x float> [[TMP8]], <20 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27>
; CHECK-NEXT:    br label %[[REGION_30:.*]]
; CHECK:       [[REGION_30]]:
; CHECK-NEXT:    [[TMP10:%.*]] = phi <20 x float> [ [[TMP9]], %[[LABEL]] ]
; CHECK-NEXT:    [[TMP27:%.*]] = extractelement <20 x float> [[TMP10]], i64 10
; CHECK-NEXT:    ret float [[TMP27]]
;
label:
  %tmp.0.4.vec.extract = extractelement <4 x float> zeroinitializer, i64 0
  %tmp.0.0.vec.extract = extractelement <4 x float> zeroinitializer, i64 0
  %tmp.12.36.vec.extract = extractelement <4 x float> zeroinitializer, i64 0
  %tmp.7.28.vec.extract = extractelement <4 x float> zeroinitializer, i64 0
  %tmp.0.12.vec.extract = extractelement <4 x float> zeroinitializer, i64 0
  %mul3.i128.i = fmul float 0.000000e+00, 0.000000e+00
  %mul3.i138.i = fmul float 0.000000e+00, 0.000000e+00
  %sub.i102.i = fsub float 0.000000e+00, 0.000000e+00
  %mul.i136.i = fmul float %sub.i102.i, 0.000000e+00
  %v.0.4.vec.extract = extractelement <8 x float> zeroinitializer, i64 0
  %v.0.24.vec.extract = extractelement <8 x float> zeroinitializer, i64 0
  %v.0.28.vec.extract = extractelement <8 x float> zeroinitializer, i64 0
  %v.11.48.vec.extract = extractelement <8 x float> zeroinitializer, i64 0
  %v.20.72.vec.extract = extractelement <8 x float> zeroinitializer, i64 0
  %v.20.76.vec.extract = extractelement <8 x float> zeroinitializer, i64 0
  %0 = fmul float %v.0.4.vec.extract, %tmp.0.0.vec.extract
  %1 = fadd float %0, 0.000000e+00
  %2 = fmul float %v.0.28.vec.extract, 0.000000e+00
  %3 = fmul float %v.0.28.vec.extract, %tmp.0.0.vec.extract
  %4 = fadd float %3, 0.000000e+00
  %5 = fmul float %tmp.0.4.vec.extract, %v.11.48.vec.extract
  %6 = fadd float 0.000000e+00, %5
  %7 = fmul float %v.20.76.vec.extract, %tmp.0.0.vec.extract
  %8 = fadd float %7, 0.000000e+00
  %9 = fmul float 0.000000e+00, %tmp.0.12.vec.extract
  %10 = fadd float %2, %9
  %11 = fadd float %10, 0.000000e+00
  %12 = fsub float 0.000000e+00, %11
  %13 = fadd float 0.000000e+00, %1
  %14 = fadd float 0.000000e+00, %4
  %15 = fadd float 0.000000e+00, %6
  %16 = fadd float 0.000000e+00, %8
  %17 = fmul float 0.000000e+00, 0.000000e+00
  %18 = fmul float 0.000000e+00, %tmp.7.28.vec.extract
  %19 = fmul float 0.000000e+00, 0.000000e+00
  %20 = fmul float 0.000000e+00, 0.000000e+00
  %21 = fmul float 0.000000e+00, %tmp.7.28.vec.extract
  %22 = fmul float 0.000000e+00, 0.000000e+00
  %23 = fmul float 0.000000e+00, %tmp.12.36.vec.extract
  %24 = fadd float %18, %23
  %25 = fmul float 0.000000e+00, %tmp.12.36.vec.extract
  %26 = fadd float %21, %25
  %27 = fsub float 0.000000e+00, poison
  %28 = fadd float %24, 0.000000e+00
  %29 = fsub float 0.000000e+00, %28
  %30 = fadd float %26, 0.000000e+00
  %31 = fsub float 0.000000e+00, %30
  %32 = fadd float 0.000000e+00, %17
  %33 = fadd float 0.000000e+00, %19
  %34 = fadd float 0.000000e+00, %20
  %35 = fadd float 0.000000e+00, %22
  %36 = fmul float 0.000000e+00, %mul3.i138.i
  %37 = fmul float %v.0.4.vec.extract, %mul.i136.i
  %38 = fadd float %37, 0.000000e+00
  %39 = fmul float 0.000000e+00, %mul3.i138.i
  %40 = fmul float %mul3.i138.i, %v.0.24.vec.extract
  %41 = fadd float 0.000000e+00, %40
  %42 = fmul float 0.000000e+00, %mul3.i138.i
  %43 = fmul float 0.000000e+00, %mul3.i138.i
  %44 = fmul float %mul3.i138.i, %v.20.72.vec.extract
  %45 = fadd float 0.000000e+00, %44
  %46 = fmul float 0.000000e+00, 1.000000e+00
  %47 = fmul float 0.000000e+00, %mul3.i128.i
  %48 = fadd float %36, %47
  %49 = fmul float 0.000000e+00, %mul3.i128.i
  %50 = fadd float %39, %49
  %51 = fmul float 0.000000e+00, %mul3.i128.i
  %52 = fadd float %42, %51
  %53 = fmul float 0.000000e+00, %mul3.i128.i
  %54 = fadd float %43, %53
  %55 = fadd float %46, 0.000000e+00
  %56 = fadd float %48, 0.000000e+00
  %57 = fsub float %55, %56
  %58 = fadd float %50, 0.000000e+00
  %59 = fsub float 0.000000e+00, %58
  %60 = fadd float %52, 0.000000e+00
  %61 = fsub float 0.000000e+00, %60
  %62 = fadd float %mul.i136.i, 0.000000e+00
  %63 = fadd float %54, 0.000000e+00
  %64 = fsub float %62, %63
  %65 = fadd float 0.000000e+00, %38
  %66 = fadd float 0.000000e+00, %41
  %67 = fadd float 0.000000e+00, %45
  br label %region.30

region.30:
  %68 = phi float [ %29, %label ]
  %69 = phi float [ %66, %label ]
  %70 = phi float [ %59, %label ]
  %71 = phi float [ %15, %label ]
  %72 = phi float [ %34, %label ]
  %73 = phi float [ poison, %label ]
  %74 = phi float [ %61, %label ]
  %75 = phi float [ %16, %label ]
  %76 = phi float [ %35, %label ]
  %77 = phi float [ %31, %label ]
  %78 = phi float [ %67, %label ]
  %79 = phi float [ %64, %label ]
  %80 = phi float [ %33, %label ]
  %81 = phi float [ %12, %label ]
  %82 = phi float [ %14, %label ]
  %83 = phi float [ %57, %label ]
  %84 = phi float [ %65, %label ]
  %85 = phi float [ %27, %label ]
  %86 = phi float [ %32, %label ]
  %87 = phi float [ %13, %label ]
  ret float %87
}