reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mattr=fma4 | FileCheck %s

target triple = "x86_64-unknown-unknown"

declare <4 x float> @llvm.x86.fma4.vfmadd.ss(<4 x float>, <4 x float>, <4 x float>)
declare <2 x double> @llvm.x86.fma4.vfmadd.sd(<2 x double>, <2 x double>, <2 x double>)

define void @fmadd_aab_ss(float* %a, float* %b) {
; CHECK-LABEL: fmadd_aab_ss:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; CHECK-NEXT:    vfmaddss (%rsi), %xmm0, %xmm0, %xmm0
; CHECK-NEXT:    vmovss %xmm0, (%rdi)
; CHECK-NEXT:    retq
  %a.val = load float, float* %a
  %av0 = insertelement <4 x float> undef, float %a.val, i32 0
  %av1 = insertelement <4 x float> %av0, float 0.000000e+00, i32 1
  %av2 = insertelement <4 x float> %av1, float 0.000000e+00, i32 2
  %av  = insertelement <4 x float> %av2, float 0.000000e+00, i32 3

  %b.val = load float, float* %b
  %bv0 = insertelement <4 x float> undef, float %b.val, i32 0
  %bv1 = insertelement <4 x float> %bv0, float 0.000000e+00, i32 1
  %bv2 = insertelement <4 x float> %bv1, float 0.000000e+00, i32 2
  %bv  = insertelement <4 x float> %bv2, float 0.000000e+00, i32 3

  %vr = call <4 x float> @llvm.x86.fma4.vfmadd.ss(<4 x float> %av, <4 x float> %av, <4 x float> %bv)

  %sr = extractelement <4 x float> %vr, i32 0
  store float %sr, float* %a
  ret void
}

define void @fmadd_aba_ss(float* %a, float* %b) {
; CHECK-LABEL: fmadd_aba_ss:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; CHECK-NEXT:    vfmaddss %xmm0, (%rsi), %xmm0, %xmm0
; CHECK-NEXT:    vmovss %xmm0, (%rdi)
; CHECK-NEXT:    retq
  %a.val = load float, float* %a
  %av0 = insertelement <4 x float> undef, float %a.val, i32 0
  %av1 = insertelement <4 x float> %av0, float 0.000000e+00, i32 1
  %av2 = insertelement <4 x float> %av1, float 0.000000e+00, i32 2
  %av  = insertelement <4 x float> %av2, float 0.000000e+00, i32 3

  %b.val = load float, float* %b
  %bv0 = insertelement <4 x float> undef, float %b.val, i32 0
  %bv1 = insertelement <4 x float> %bv0, float 0.000000e+00, i32 1
  %bv2 = insertelement <4 x float> %bv1, float 0.000000e+00, i32 2
  %bv  = insertelement <4 x float> %bv2, float 0.000000e+00, i32 3

  %vr = call <4 x float> @llvm.x86.fma4.vfmadd.ss(<4 x float> %av, <4 x float> %bv, <4 x float> %av)

  %sr = extractelement <4 x float> %vr, i32 0
  store float %sr, float* %a
  ret void
}

define void @fmadd_aab_sd(double* %a, double* %b) {
; CHECK-LABEL: fmadd_aab_sd:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmovsd {{.*#+}} xmm0 = mem[0],zero
; CHECK-NEXT:    vfmaddsd (%rsi), %xmm0, %xmm0, %xmm0
; CHECK-NEXT:    vmovsd %xmm0, (%rdi)
; CHECK-NEXT:    retq
  %a.val = load double, double* %a
  %av0 = insertelement <2 x double> undef, double %a.val, i32 0
  %av  = insertelement <2 x double> %av0, double 0.000000e+00, i32 1

  %b.val = load double, double* %b
  %bv0 = insertelement <2 x double> undef, double %b.val, i32 0
  %bv  = insertelement <2 x double> %bv0, double 0.000000e+00, i32 1

  %vr = call <2 x double> @llvm.x86.fma4.vfmadd.sd(<2 x double> %av, <2 x double> %av, <2 x double> %bv)

  %sr = extractelement <2 x double> %vr, i32 0
  store double %sr, double* %a
  ret void
}

define void @fmadd_aba_sd(double* %a, double* %b) {
; CHECK-LABEL: fmadd_aba_sd:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmovsd {{.*#+}} xmm0 = mem[0],zero
; CHECK-NEXT:    vfmaddsd %xmm0, (%rsi), %xmm0, %xmm0
; CHECK-NEXT:    vmovsd %xmm0, (%rdi)
; CHECK-NEXT:    retq
  %a.val = load double, double* %a
  %av0 = insertelement <2 x double> undef, double %a.val, i32 0
  %av  = insertelement <2 x double> %av0, double 0.000000e+00, i32 1

  %b.val = load double, double* %b
  %bv0 = insertelement <2 x double> undef, double %b.val, i32 0
  %bv  = insertelement <2 x double> %bv0, double 0.000000e+00, i32 1

  %vr = call <2 x double> @llvm.x86.fma4.vfmadd.sd(<2 x double> %av, <2 x double> %bv, <2 x double> %av)

  %sr = extractelement <2 x double> %vr, i32 0
  store double %sr, double* %a
  ret void
}