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f61ad6ec11
DAGCombine already does these. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290860 91177308-0d34-0410-b5e6-96231b3b80d8
204 lines
8.1 KiB
LLVM
204 lines
8.1 KiB
LLVM
; RUN: opt -S -instcombine < %s | FileCheck %s
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declare float @llvm.fma.f32(float, float, float) #1
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declare <2 x float> @llvm.fma.v2f32(<2 x float>, <2 x float>, <2 x float>) #1
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declare float @llvm.fmuladd.f32(float, float, float) #1
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declare float @llvm.fabs.f32(float) #1
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@external = external global i32
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; CHECK-LABEL: @fma_fneg_x_fneg_y(
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; CHECK: %fma = call float @llvm.fma.f32(float %x, float %y, float %z)
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define float @fma_fneg_x_fneg_y(float %x, float %y, float %z) {
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%x.fneg = fsub float -0.0, %x
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%y.fneg = fsub float -0.0, %y
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%fma = call float @llvm.fma.f32(float %x.fneg, float %y.fneg, float %z)
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ret float %fma
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}
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; CHECK-LABEL: @fma_fneg_x_fneg_y_fast(
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; CHECK: %fma = call fast float @llvm.fma.f32(float %x, float %y, float %z)
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define float @fma_fneg_x_fneg_y_fast(float %x, float %y, float %z) {
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%x.fneg = fsub float -0.0, %x
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%y.fneg = fsub float -0.0, %y
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%fma = call fast float @llvm.fma.f32(float %x.fneg, float %y.fneg, float %z)
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ret float %fma
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}
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; CHECK-LABEL: @fma_fneg_const_fneg_y(
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; CHECK: %fma = call float @llvm.fma.f32(float %y, float bitcast (i32 ptrtoint (i32* @external to i32) to float), float %z)
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define float @fma_fneg_const_fneg_y(float %y, float %z) {
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%y.fneg = fsub float -0.0, %y
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%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)
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ret float %fma
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}
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; CHECK-LABEL: @fma_fneg_x_fneg_const(
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; CHECK: %fma = call float @llvm.fma.f32(float %x, float bitcast (i32 ptrtoint (i32* @external to i32) to float), float %z)
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define float @fma_fneg_x_fneg_const(float %x, float %z) {
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%x.fneg = fsub float -0.0, %x
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%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)
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ret float %fma
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}
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; CHECK-LABEL: @fma_fabs_x_fabs_y(
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; CHECK: %x.fabs = call float @llvm.fabs.f32(float %x)
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; CHECK: %y.fabs = call float @llvm.fabs.f32(float %y)
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; CHECK: %fma = call float @llvm.fma.f32(float %x.fabs, float %y.fabs, float %z)
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define float @fma_fabs_x_fabs_y(float %x, float %y, float %z) {
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%x.fabs = call float @llvm.fabs.f32(float %x)
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%y.fabs = call float @llvm.fabs.f32(float %y)
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%fma = call float @llvm.fma.f32(float %x.fabs, float %y.fabs, float %z)
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ret float %fma
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}
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; CHECK-LABEL: @fma_fabs_x_fabs_x(
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; CHECK: %fma = call float @llvm.fma.f32(float %x, float %x, float %z)
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define float @fma_fabs_x_fabs_x(float %x, float %z) {
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%x.fabs = call float @llvm.fabs.f32(float %x)
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%fma = call float @llvm.fma.f32(float %x.fabs, float %x.fabs, float %z)
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ret float %fma
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}
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; CHECK-LABEL: @fma_fabs_x_fabs_x_fast(
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; CHECK: %fma = call fast float @llvm.fma.f32(float %x, float %x, float %z)
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define float @fma_fabs_x_fabs_x_fast(float %x, float %z) {
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%x.fabs = call float @llvm.fabs.f32(float %x)
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%fma = call fast float @llvm.fma.f32(float %x.fabs, float %x.fabs, float %z)
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ret float %fma
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}
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; CHECK-LABEL: @fmuladd_fneg_x_fneg_y(
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; CHECK: %fmuladd = call float @llvm.fmuladd.f32(float %x, float %y, float %z)
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define float @fmuladd_fneg_x_fneg_y(float %x, float %y, float %z) {
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%x.fneg = fsub float -0.0, %x
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%y.fneg = fsub float -0.0, %y
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%fmuladd = call float @llvm.fmuladd.f32(float %x.fneg, float %y.fneg, float %z)
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ret float %fmuladd
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}
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; CHECK-LABEL: @fmuladd_fneg_x_fneg_y_fast(
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; CHECK: %fmuladd = call fast float @llvm.fmuladd.f32(float %x, float %y, float %z)
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define float @fmuladd_fneg_x_fneg_y_fast(float %x, float %y, float %z) {
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%x.fneg = fsub float -0.0, %x
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%y.fneg = fsub float -0.0, %y
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%fmuladd = call fast float @llvm.fmuladd.f32(float %x.fneg, float %y.fneg, float %z)
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ret float %fmuladd
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}
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; CHECK-LABEL: @fmuladd_fneg_const_fneg_y(
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; CHECK: %fmuladd = call float @llvm.fmuladd.f32(float %y, float bitcast (i32 ptrtoint (i32* @external to i32) to float), float %z)
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define float @fmuladd_fneg_const_fneg_y(float %y, float %z) {
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%y.fneg = fsub float -0.0, %y
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%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)
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ret float %fmuladd
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}
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; CHECK-LABEL: @fmuladd_fneg_x_fneg_const(
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; CHECK: %fmuladd = call float @llvm.fmuladd.f32(float %x, float bitcast (i32 ptrtoint (i32* @external to i32) to float), float %z)
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define float @fmuladd_fneg_x_fneg_const(float %x, float %z) {
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%x.fneg = fsub float -0.0, %x
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%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)
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ret float %fmuladd
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}
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; CHECK-LABEL: @fmuladd_fabs_x_fabs_y(
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; CHECK: %x.fabs = call float @llvm.fabs.f32(float %x)
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; CHECK: %y.fabs = call float @llvm.fabs.f32(float %y)
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; CHECK: %fmuladd = call float @llvm.fmuladd.f32(float %x.fabs, float %y.fabs, float %z)
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define float @fmuladd_fabs_x_fabs_y(float %x, float %y, float %z) {
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%x.fabs = call float @llvm.fabs.f32(float %x)
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%y.fabs = call float @llvm.fabs.f32(float %y)
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%fmuladd = call float @llvm.fmuladd.f32(float %x.fabs, float %y.fabs, float %z)
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ret float %fmuladd
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}
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; CHECK-LABEL: @fmuladd_fabs_x_fabs_x(
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; CHECK: %fmuladd = call float @llvm.fmuladd.f32(float %x, float %x, float %z)
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define float @fmuladd_fabs_x_fabs_x(float %x, float %z) {
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%x.fabs = call float @llvm.fabs.f32(float %x)
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%fmuladd = call float @llvm.fmuladd.f32(float %x.fabs, float %x.fabs, float %z)
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ret float %fmuladd
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}
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; CHECK-LABEL: @fmuladd_fabs_x_fabs_x_fast(
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; CHECK: %fmuladd = call fast float @llvm.fmuladd.f32(float %x, float %x, float %z)
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define float @fmuladd_fabs_x_fabs_x_fast(float %x, float %z) {
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%x.fabs = call float @llvm.fabs.f32(float %x)
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%fmuladd = call fast float @llvm.fmuladd.f32(float %x.fabs, float %x.fabs, float %z)
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ret float %fmuladd
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}
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; CHECK-LABEL: @fma_k_y_z(
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; CHECK: %fma = call float @llvm.fma.f32(float %y, float 4.000000e+00, float %z)
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define float @fma_k_y_z(float %y, float %z) {
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%fma = call float @llvm.fma.f32(float 4.0, float %y, float %z)
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ret float %fma
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}
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; CHECK-LABEL: @fma_k_y_z_fast(
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; CHECK: %fma = call fast float @llvm.fma.f32(float %y, float 4.000000e+00, float %z)
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define float @fma_k_y_z_fast(float %y, float %z) {
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%fma = call fast float @llvm.fma.f32(float 4.0, float %y, float %z)
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ret float %fma
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}
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; CHECK-LABEL: @fmuladd_k_y_z_fast(
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; CHECK: %fmuladd = call fast float @llvm.fmuladd.f32(float %y, float 4.000000e+00, float %z)
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define float @fmuladd_k_y_z_fast(float %y, float %z) {
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%fmuladd = call fast float @llvm.fmuladd.f32(float 4.0, float %y, float %z)
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ret float %fmuladd
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}
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; CHECK-LABEL: @fma_1_y_z(
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; CHECK: %fma = fadd float %y, %z
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define float @fma_1_y_z(float %y, float %z) {
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%fma = call float @llvm.fma.f32(float 1.0, float %y, float %z)
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ret float %fma
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}
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; CHECK-LABEL: @fma_x_1_z(
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; CHECK: %fma = fadd float %x, %z
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define float @fma_x_1_z(float %x, float %z) {
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%fma = call float @llvm.fma.f32(float %x, float 1.0, float %z)
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ret float %fma
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}
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; CHECK-LABEL: @fma_x_1_z_v2f32(
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; CHECK: %fma = fadd <2 x float> %x, %z
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define <2 x float> @fma_x_1_z_v2f32(<2 x float> %x, <2 x float> %z) {
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%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)
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ret <2 x float> %fma
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}
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; CHECK-LABEL: @fma_x_1_2_z_v2f32(
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; CHECK: %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)
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define <2 x float> @fma_x_1_2_z_v2f32(<2 x float> %x, <2 x float> %z) {
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%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)
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ret <2 x float> %fma
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}
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; CHECK-LABEL: @fma_x_1_z_fast(
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; CHECK: %fma = fadd fast float %x, %z
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define float @fma_x_1_z_fast(float %x, float %z) {
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%fma = call fast float @llvm.fma.f32(float %x, float 1.0, float %z)
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ret float %fma
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}
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; CHECK-LABEL: @fma_1_1_z(
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; CHECK: %fma = fadd float %z, 1.0
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define float @fma_1_1_z(float %z) {
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%fma = call float @llvm.fma.f32(float 1.0, float 1.0, float %z)
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ret float %fma
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}
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; CHECK-LABEL: @fmuladd_x_1_z_fast(
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; CHECK: %fmuladd = fadd fast float %x, %z
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define float @fmuladd_x_1_z_fast(float %x, float %z) {
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%fmuladd = call fast float @llvm.fmuladd.f32(float %x, float 1.0, float %z)
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ret float %fmuladd
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}
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attributes #0 = { nounwind }
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attributes #1 = { nounwind readnone }
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