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