| ; RUN: llc -mtriple=arm64-eabi < %s | FileCheck %s |
| |
| define float @fma32(float %a, float %b, float %c) nounwind readnone ssp { |
| entry: |
| ; CHECK-LABEL: fma32: |
| ; CHECK: fmadd s0, s0, s1, s2 |
| %0 = tail call float @llvm.fma.f32(float %a, float %b, float %c) |
| ret float %0 |
| } |
| |
| define float @fnma32(float %a, float %b, float %c) nounwind readnone ssp { |
| entry: |
| ; CHECK-LABEL: fnma32: |
| ; CHECK: fnmadd s0, s0, s1, s2 |
| %0 = tail call float @llvm.fma.f32(float %a, float %b, float %c) |
| %mul = fmul float %0, -1.000000e+00 |
| ret float %mul |
| } |
| |
| define float @fms32(float %a, float %b, float %c) nounwind readnone ssp { |
| entry: |
| ; CHECK-LABEL: fms32: |
| ; CHECK: fmsub s0, s0, s1, s2 |
| %mul = fmul float %b, -1.000000e+00 |
| %0 = tail call float @llvm.fma.f32(float %a, float %mul, float %c) |
| ret float %0 |
| } |
| |
| define float @fms32_com(float %a, float %b, float %c) nounwind readnone ssp { |
| entry: |
| ; CHECK-LABEL: fms32_com: |
| ; CHECK: fmsub s0, s1, s0, s2 |
| %mul = fmul float %b, -1.000000e+00 |
| %0 = tail call float @llvm.fma.f32(float %mul, float %a, float %c) |
| ret float %0 |
| } |
| |
| define float @fnms32(float %a, float %b, float %c) nounwind readnone ssp { |
| entry: |
| ; CHECK-LABEL: fnms32: |
| ; CHECK: fnmsub s0, s0, s1, s2 |
| %mul = fmul float %c, -1.000000e+00 |
| %0 = tail call float @llvm.fma.f32(float %a, float %b, float %mul) |
| ret float %0 |
| } |
| |
| define double @fma64(double %a, double %b, double %c) nounwind readnone ssp { |
| ; CHECK-LABEL: fma64: |
| ; CHECK: fmadd d0, d0, d1, d2 |
| entry: |
| %0 = tail call double @llvm.fma.f64(double %a, double %b, double %c) |
| ret double %0 |
| } |
| |
| define double @fnma64(double %a, double %b, double %c) nounwind readnone ssp { |
| ; CHECK-LABEL: fnma64: |
| ; CHECK: fnmadd d0, d0, d1, d2 |
| entry: |
| %0 = tail call double @llvm.fma.f64(double %a, double %b, double %c) |
| %mul = fmul double %0, -1.000000e+00 |
| ret double %mul |
| } |
| |
| define double @fms64(double %a, double %b, double %c) nounwind readnone ssp { |
| ; CHECK-LABEL: fms64: |
| ; CHECK: fmsub d0, d0, d1, d2 |
| entry: |
| %mul = fmul double %b, -1.000000e+00 |
| %0 = tail call double @llvm.fma.f64(double %a, double %mul, double %c) |
| ret double %0 |
| } |
| |
| define double @fms64_com(double %a, double %b, double %c) nounwind readnone ssp { |
| ; CHECK-LABEL: fms64_com: |
| ; CHECK: fmsub d0, d1, d0, d2 |
| entry: |
| %mul = fmul double %b, -1.000000e+00 |
| %0 = tail call double @llvm.fma.f64(double %mul, double %a, double %c) |
| ret double %0 |
| } |
| |
| define double @fnms64(double %a, double %b, double %c) nounwind readnone ssp { |
| ; CHECK-LABEL: fnms64: |
| ; CHECK: fnmsub d0, d0, d1, d2 |
| entry: |
| %mul = fmul double %c, -1.000000e+00 |
| %0 = tail call double @llvm.fma.f64(double %a, double %b, double %mul) |
| ret double %0 |
| } |
| |
| ; This would crash while trying getNegatedExpression(). |
| |
| define float @negated_constant(float %x) { |
| ; CHECK-LABEL: negated_constant: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: mov w8, #-1037565952 |
| ; CHECK-NEXT: mov w9, #1109917696 |
| ; CHECK-NEXT: fmov s1, w8 |
| ; CHECK-NEXT: fmul s1, s0, s1 |
| ; CHECK-NEXT: fmov s2, w9 |
| ; CHECK-NEXT: fmadd s0, s0, s2, s1 |
| ; CHECK-NEXT: ret |
| %m = fmul float %x, 42.0 |
| %fma = call nsz float @llvm.fma.f32(float %x, float -42.0, float %m) |
| %nfma = fneg float %fma |
| ret float %nfma |
| } |
| |
| declare float @llvm.fma.f32(float, float, float) nounwind readnone |
| declare double @llvm.fma.f64(double, double, double) nounwind readnone |