third_party/llvm-7.0/llvm/test/Transforms/InstCombine/fma.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -instcombine < %s | FileCheck %s

declare float @llvm.fma.f32(float, float, float) #1
declare <2 x float> @llvm.fma.v2f32(<2 x float>, <2 x float>, <2 x float>) #1
declare float @llvm.fmuladd.f32(float, float, float) #1
declare float @llvm.fabs.f32(float) #1

@external = external global i32

define float @fma_fneg_x_fneg_y(float %x, float %y, float %z) {
; CHECK-LABEL: @fma_fneg_x_fneg_y(
; CHECK-NEXT:    [[FMA:%.*]] = call float @llvm.fma.f32(float [[X:%.*]], float [[Y:%.*]], float [[Z:%.*]])
; CHECK-NEXT:    ret float [[FMA]]
;
  %x.fneg = fsub float -0.0, %x
  %y.fneg = fsub float -0.0, %y
  %fma = call float @llvm.fma.f32(float %x.fneg, float %y.fneg, float %z)
  ret float %fma
}

define <2 x float> @fma_fneg_x_fneg_y_vec(<2 x float> %x, <2 x float> %y, <2 x float> %z) {
; CHECK-LABEL: @fma_fneg_x_fneg_y_vec(
; CHECK-NEXT:    [[FMA:%.*]] = call <2 x float> @llvm.fma.v2f32(<2 x float> [[X:%.*]], <2 x float> [[Y:%.*]], <2 x float> [[Z:%.*]])
; CHECK-NEXT:    ret <2 x float> [[FMA]]
;
  %xn = fsub <2 x float> <float -0.0, float -0.0>, %x
  %yn = fsub <2 x float> <float -0.0, float -0.0>, %y
  %fma = call <2 x float> @llvm.fma.v2f32(<2 x float> %xn, <2 x float> %yn, <2 x float> %z)
  ret <2 x float> %fma
}

define <2 x float> @fma_fneg_x_fneg_y_vec_undef(<2 x float> %x, <2 x float> %y, <2 x float> %z) {
; CHECK-LABEL: @fma_fneg_x_fneg_y_vec_undef(
; CHECK-NEXT:    [[FMA:%.*]] = call <2 x float> @llvm.fma.v2f32(<2 x float> [[X:%.*]], <2 x float> [[Y:%.*]], <2 x float> [[Z:%.*]])
; CHECK-NEXT:    ret <2 x float> [[FMA]]
;
  %xn = fsub <2 x float> <float -0.0, float undef>, %x
  %yn = fsub <2 x float> <float undef, float -0.0>, %y
  %fma = call <2 x float> @llvm.fma.v2f32(<2 x float> %xn, <2 x float> %yn, <2 x float> %z)
  ret <2 x float> %fma
}

define float @fma_fneg_x_fneg_y_fast(float %x, float %y, float %z) {
; CHECK-LABEL: @fma_fneg_x_fneg_y_fast(
; CHECK-NEXT:    [[FMA:%.*]] = call fast float @llvm.fma.f32(float [[X:%.*]], float [[Y:%.*]], float [[Z:%.*]])
; CHECK-NEXT:    ret float [[FMA]]
;
  %x.fneg = fsub float -0.0, %x
  %y.fneg = fsub float -0.0, %y
  %fma = call fast float @llvm.fma.f32(float %x.fneg, float %y.fneg, float %z)
  ret float %fma
}

define float @fma_fneg_const_fneg_y(float %y, float %z) {
; CHECK-LABEL: @fma_fneg_const_fneg_y(
; CHECK-NEXT:    [[FMA:%.*]] = call float @llvm.fma.f32(float [[Y:%.*]], float bitcast (i32 ptrtoint (i32* @external to i32) to float), float [[Z:%.*]])
; CHECK-NEXT:    ret float [[FMA]]
;
  %y.fneg = fsub float -0.0, %y
  %fma = call float @llvm.fma.f32(float fsub (float -0.0, float bitcast (i32 ptrtoint (i32* @external to i32) to float)), float %y.fneg, float %z)
  ret float %fma
}

define float @fma_fneg_x_fneg_const(float %x, float %z) {
; CHECK-LABEL: @fma_fneg_x_fneg_const(
; CHECK-NEXT:    [[FMA:%.*]] = call float @llvm.fma.f32(float [[X:%.*]], float bitcast (i32 ptrtoint (i32* @external to i32) to float), float [[Z:%.*]])
; CHECK-NEXT:    ret float [[FMA]]
;
  %x.fneg = fsub float -0.0, %x
  %fma = call float @llvm.fma.f32(float %x.fneg, float fsub (float -0.0, float bitcast (i32 ptrtoint (i32* @external to i32) to float)), float %z)
  ret float %fma
}

define float @fma_fabs_x_fabs_y(float %x, float %y, float %z) {
; CHECK-LABEL: @fma_fabs_x_fabs_y(
; CHECK-NEXT:    [[X_FABS:%.*]] = call float @llvm.fabs.f32(float [[X:%.*]])
; CHECK-NEXT:    [[Y_FABS:%.*]] = call float @llvm.fabs.f32(float [[Y:%.*]])
; CHECK-NEXT:    [[FMA:%.*]] = call float @llvm.fma.f32(float [[X_FABS]], float [[Y_FABS]], float [[Z:%.*]])
; CHECK-NEXT:    ret float [[FMA]]
;
  %x.fabs = call float @llvm.fabs.f32(float %x)
  %y.fabs = call float @llvm.fabs.f32(float %y)
  %fma = call float @llvm.fma.f32(float %x.fabs, float %y.fabs, float %z)
  ret float %fma
}

define float @fma_fabs_x_fabs_x(float %x, float %z) {
; CHECK-LABEL: @fma_fabs_x_fabs_x(
; CHECK-NEXT:    [[FMA:%.*]] = call float @llvm.fma.f32(float [[X:%.*]], float [[X]], float [[Z:%.*]])
; CHECK-NEXT:    ret float [[FMA]]
;
  %x.fabs = call float @llvm.fabs.f32(float %x)
  %fma = call float @llvm.fma.f32(float %x.fabs, float %x.fabs, float %z)
  ret float %fma
}

define float @fma_fabs_x_fabs_x_fast(float %x, float %z) {
; CHECK-LABEL: @fma_fabs_x_fabs_x_fast(
; CHECK-NEXT:    [[FMA:%.*]] = call fast float @llvm.fma.f32(float [[X:%.*]], float [[X]], float [[Z:%.*]])
; CHECK-NEXT:    ret float [[FMA]]
;
  %x.fabs = call float @llvm.fabs.f32(float %x)
  %fma = call fast float @llvm.fma.f32(float %x.fabs, float %x.fabs, float %z)
  ret float %fma
}

define float @fmuladd_fneg_x_fneg_y(float %x, float %y, float %z) {
; CHECK-LABEL: @fmuladd_fneg_x_fneg_y(
; CHECK-NEXT:    [[FMULADD:%.*]] = call float @llvm.fmuladd.f32(float [[X:%.*]], float [[Y:%.*]], float [[Z:%.*]])
; CHECK-NEXT:    ret float [[FMULADD]]
;
  %x.fneg = fsub float -0.0, %x
  %y.fneg = fsub float -0.0, %y
  %fmuladd = call float @llvm.fmuladd.f32(float %x.fneg, float %y.fneg, float %z)
  ret float %fmuladd
}

define float @fmuladd_fneg_x_fneg_y_fast(float %x, float %y, float %z) {
; CHECK-LABEL: @fmuladd_fneg_x_fneg_y_fast(
; CHECK-NEXT:    [[TMP1:%.*]] = fmul fast float [[X:%.*]], [[Y:%.*]]
; CHECK-NEXT:    [[FMULADD:%.*]] = fadd fast float [[TMP1]], [[Z:%.*]]
; CHECK-NEXT:    ret float [[FMULADD]]
;
  %x.fneg = fsub float -0.0, %x
  %y.fneg = fsub float -0.0, %y
  %fmuladd = call fast float @llvm.fmuladd.f32(float %x.fneg, float %y.fneg, float %z)
  ret float %fmuladd
}

define float @fmuladd_fneg_const_fneg_y(float %y, float %z) {
; CHECK-LABEL: @fmuladd_fneg_const_fneg_y(
; CHECK-NEXT:    [[FMULADD:%.*]] = call float @llvm.fmuladd.f32(float [[Y:%.*]], float bitcast (i32 ptrtoint (i32* @external to i32) to float), float [[Z:%.*]])
; CHECK-NEXT:    ret float [[FMULADD]]
;
  %y.fneg = fsub float -0.0, %y
  %fmuladd = call float @llvm.fmuladd.f32(float fsub (float -0.0, float bitcast (i32 ptrtoint (i32* @external to i32) to float)), float %y.fneg, float %z)
  ret float %fmuladd
}

define float @fmuladd_fneg_x_fneg_const(float %x, float %z) {
; CHECK-LABEL: @fmuladd_fneg_x_fneg_const(
; CHECK-NEXT:    [[FMULADD:%.*]] = call float @llvm.fmuladd.f32(float [[X:%.*]], float bitcast (i32 ptrtoint (i32* @external to i32) to float), float [[Z:%.*]])
; CHECK-NEXT:    ret float [[FMULADD]]
;
  %x.fneg = fsub float -0.0, %x
  %fmuladd = call float @llvm.fmuladd.f32(float %x.fneg, float fsub (float -0.0, float bitcast (i32 ptrtoint (i32* @external to i32) to float)), float %z)
  ret float %fmuladd
}

define float @fmuladd_fabs_x_fabs_y(float %x, float %y, float %z) {
; CHECK-LABEL: @fmuladd_fabs_x_fabs_y(
; CHECK-NEXT:    [[X_FABS:%.*]] = call float @llvm.fabs.f32(float [[X:%.*]])
; CHECK-NEXT:    [[Y_FABS:%.*]] = call float @llvm.fabs.f32(float [[Y:%.*]])
; CHECK-NEXT:    [[FMULADD:%.*]] = call float @llvm.fmuladd.f32(float [[X_FABS]], float [[Y_FABS]], float [[Z:%.*]])
; CHECK-NEXT:    ret float [[FMULADD]]
;
  %x.fabs = call float @llvm.fabs.f32(float %x)
  %y.fabs = call float @llvm.fabs.f32(float %y)
  %fmuladd = call float @llvm.fmuladd.f32(float %x.fabs, float %y.fabs, float %z)
  ret float %fmuladd
}

define float @fmuladd_fabs_x_fabs_x(float %x, float %z) {
; CHECK-LABEL: @fmuladd_fabs_x_fabs_x(
; CHECK-NEXT:    [[FMULADD:%.*]] = call float @llvm.fmuladd.f32(float [[X:%.*]], float [[X]], float [[Z:%.*]])
; CHECK-NEXT:    ret float [[FMULADD]]
;
  %x.fabs = call float @llvm.fabs.f32(float %x)
  %fmuladd = call float @llvm.fmuladd.f32(float %x.fabs, float %x.fabs, float %z)
  ret float %fmuladd
}

define float @fmuladd_fabs_x_fabs_x_fast(float %x, float %z) {
; CHECK-LABEL: @fmuladd_fabs_x_fabs_x_fast(
; CHECK-NEXT:    [[TMP1:%.*]] = fmul fast float [[X:%.*]], [[X]]
; CHECK-NEXT:    [[FMULADD:%.*]] = fadd fast float [[TMP1]], [[Z:%.*]]
; CHECK-NEXT:    ret float [[FMULADD]]
;
  %x.fabs = call float @llvm.fabs.f32(float %x)
  %fmuladd = call fast float @llvm.fmuladd.f32(float %x.fabs, float %x.fabs, float %z)
  ret float %fmuladd
}

define float @fma_k_y_z(float %y, float %z) {
; CHECK-LABEL: @fma_k_y_z(
; CHECK-NEXT:    [[FMA:%.*]] = call float @llvm.fma.f32(float [[Y:%.*]], float 4.000000e+00, float [[Z:%.*]])
; CHECK-NEXT:    ret float [[FMA]]
;
  %fma = call float @llvm.fma.f32(float 4.0, float %y, float %z)
  ret float %fma
}

define float @fma_k_y_z_fast(float %y, float %z) {
; CHECK-LABEL: @fma_k_y_z_fast(
; CHECK-NEXT:    [[FMA:%.*]] = call fast float @llvm.fma.f32(float [[Y:%.*]], float 4.000000e+00, float [[Z:%.*]])
; CHECK-NEXT:    ret float [[FMA]]
;
  %fma = call fast float @llvm.fma.f32(float 4.0, float %y, float %z)
  ret float %fma
}

define float @fmuladd_k_y_z_fast(float %y, float %z) {
; CHECK-LABEL: @fmuladd_k_y_z_fast(
; CHECK-NEXT:    [[TMP1:%.*]] = fmul fast float [[Y:%.*]], 4.000000e+00
; CHECK-NEXT:    [[FMULADD:%.*]] = fadd fast float [[TMP1]], [[Z:%.*]]
; CHECK-NEXT:    ret float [[FMULADD]]
;
  %fmuladd = call fast float @llvm.fmuladd.f32(float 4.0, float %y, float %z)
  ret float %fmuladd
}

define float @fma_1_y_z(float %y, float %z) {
; CHECK-LABEL: @fma_1_y_z(
; CHECK-NEXT:    [[FMA:%.*]] = fadd float [[Y:%.*]], [[Z:%.*]]
; CHECK-NEXT:    ret float [[FMA]]
;
  %fma = call float @llvm.fma.f32(float 1.0, float %y, float %z)
  ret float %fma
}

define float @fma_x_1_z(float %x, float %z) {
; CHECK-LABEL: @fma_x_1_z(
; CHECK-NEXT:    [[FMA:%.*]] = fadd float [[X:%.*]], [[Z:%.*]]
; CHECK-NEXT:    ret float [[FMA]]
;
  %fma = call float @llvm.fma.f32(float %x, float 1.0, float %z)
  ret float %fma
}

define <2 x float> @fma_x_1_z_v2f32(<2 x float> %x, <2 x float> %z) {
; CHECK-LABEL: @fma_x_1_z_v2f32(
; CHECK-NEXT:    [[FMA:%.*]] = fadd <2 x float> [[X:%.*]], [[Z:%.*]]
; CHECK-NEXT:    ret <2 x float> [[FMA]]
;
  %fma = call <2 x float> @llvm.fma.v2f32(<2 x float> %x, <2 x float> <float 1.0, float 1.0>, <2 x float> %z)
  ret <2 x float> %fma
}

define <2 x float> @fma_x_1_2_z_v2f32(<2 x float> %x, <2 x float> %z) {
; CHECK-LABEL: @fma_x_1_2_z_v2f32(
; CHECK-NEXT:    [[FMA:%.*]] = call <2 x float> @llvm.fma.v2f32(<2 x float> [[X:%.*]], <2 x float> <float 1.000000e+00, float 2.000000e+00>, <2 x float> [[Z:%.*]])
; CHECK-NEXT:    ret <2 x float> [[FMA]]
;
  %fma = call <2 x float> @llvm.fma.v2f32(<2 x float> %x, <2 x float> <float 1.0, float 2.0>, <2 x float> %z)
  ret <2 x float> %fma
}

define float @fma_x_1_z_fast(float %x, float %z) {
; CHECK-LABEL: @fma_x_1_z_fast(
; CHECK-NEXT:    [[FMA:%.*]] = fadd fast float [[X:%.*]], [[Z:%.*]]
; CHECK-NEXT:    ret float [[FMA]]
;
  %fma = call fast float @llvm.fma.f32(float %x, float 1.0, float %z)
  ret float %fma
}

define float @fma_1_1_z(float %z) {
; CHECK-LABEL: @fma_1_1_z(
; CHECK-NEXT:    [[FMA:%.*]] = fadd float [[Z:%.*]], 1.000000e+00
; CHECK-NEXT:    ret float [[FMA]]
;
  %fma = call float @llvm.fma.f32(float 1.0, float 1.0, float %z)
  ret float %fma
}

define float @fmuladd_x_1_z_fast(float %x, float %z) {
; CHECK-LABEL: @fmuladd_x_1_z_fast(
; CHECK-NEXT:    [[FMULADD:%.*]] = fadd fast float [[X:%.*]], [[Z:%.*]]
; CHECK-NEXT:    ret float [[FMULADD]]
;
  %fmuladd = call fast float @llvm.fmuladd.f32(float %x, float 1.0, float %z)
  ret float %fmuladd
}

attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }