161 lines
3.8 KiB
LLVM
161 lines
3.8 KiB
LLVM
; RUN: llc < %s -mtriple=aarch64 -mattr=neon -recip=!sqrt,!vec-sqrt | FileCheck %s --check-prefix=FAULT
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; RUN: llc < %s -mtriple=aarch64 -mattr=neon -recip=sqrt,vec-sqrt | FileCheck %s
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; RUN: llc < %s -mtriple=aarch64 -mattr=neon,-use-reverse-square-root | FileCheck %s --check-prefix=FAULT
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; RUN: llc < %s -mtriple=aarch64 -mattr=neon,+use-reverse-square-root | FileCheck %s
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declare float @llvm.sqrt.f32(float) #1
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declare double @llvm.sqrt.f64(double) #1
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declare <2 x float> @llvm.sqrt.v2f32(<2 x float>) #1
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declare <4 x float> @llvm.sqrt.v4f32(<4 x float>) #1
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declare <2 x double> @llvm.sqrt.v2f64(<2 x double>) #1
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define float @fsqrt(float %a) #0 {
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%1 = tail call fast float @llvm.sqrt.f32(float %a)
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ret float %1
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; FAULT-LABEL: fsqrt:
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; FAULT-NEXT: BB#0
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; FAULT-NEXT: fsqrt
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; CHECK-LABEL: fsqrt:
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; CHECK-NEXT: BB#0
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; CHECK-NEXT: fmov
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; CHECK-NEXT: frsqrte
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}
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define <2 x float> @f2sqrt(<2 x float> %a) #0 {
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%1 = tail call fast <2 x float> @llvm.sqrt.v2f32(<2 x float> %a) #2
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ret <2 x float> %1
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; FAULT-LABEL: f2sqrt:
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; FAULT-NEXT: BB#0
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; FAULT-NEXT: fsqrt
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; CHECK-LABEL: f2sqrt:
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; CHECK-NEXT: BB#0
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; CHECK-NEXT: fmov
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; CHECK-NEXT: mov
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; CHECK-NEXT: frsqrte
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}
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define <4 x float> @f4sqrt(<4 x float> %a) #0 {
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%1 = tail call fast <4 x float> @llvm.sqrt.v4f32(<4 x float> %a) #2
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ret <4 x float> %1
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; FAULT-LABEL: f4sqrt:
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; FAULT-NEXT: BB#0
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; FAULT-NEXT: fsqrt
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; CHECK-LABEL: f4sqrt:
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; CHECK-NEXT: BB#0
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; CHECK-NEXT: fmov
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; CHECK-NEXT: mov
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; CHECK-NEXT: frsqrte
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}
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define double @dsqrt(double %a) #0 {
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%1 = tail call fast double @llvm.sqrt.f64(double %a)
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ret double %1
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; FAULT-LABEL: dsqrt:
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; FAULT-NEXT: BB#0
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; FAULT-NEXT: fsqrt
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; CHECK-LABEL: dsqrt:
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; CHECK-NEXT: BB#0
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; CHECK-NEXT: fmov
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; CHECK-NEXT: frsqrte
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}
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define <2 x double> @d2sqrt(<2 x double> %a) #0 {
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%1 = tail call fast <2 x double> @llvm.sqrt.v2f64(<2 x double> %a) #2
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ret <2 x double> %1
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; FAULT-LABEL: d2sqrt:
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; FAULT-NEXT: BB#0
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; FAULT-NEXT: fsqrt
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; CHECK-LABEL: d2sqrt:
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; CHECK-NEXT: BB#0
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; CHECK-NEXT: fmov
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; CHECK-NEXT: mov
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; CHECK-NEXT: frsqrte
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}
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define float @frsqrt(float %a) #0 {
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%1 = tail call fast float @llvm.sqrt.f32(float %a)
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%2 = fdiv fast float 1.000000e+00, %1
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ret float %2
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; FAULT-LABEL: frsqrt:
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; FAULT-NEXT: BB#0
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; FAULT-NEXT: fsqrt
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; CHECK-LABEL: frsqrt:
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; CHECK-NEXT: BB#0
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; CHECK-NEXT: fmov
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; CHECK-NEXT: frsqrte
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}
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define <2 x float> @f2rsqrt(<2 x float> %a) #0 {
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%1 = tail call fast <2 x float> @llvm.sqrt.v2f32(<2 x float> %a) #2
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%2 = fdiv fast <2 x float> <float 1.000000e+00, float 1.000000e+00>, %1
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ret <2 x float> %2
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; FAULT-LABEL: f2rsqrt:
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; FAULT-NEXT: BB#0
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; FAULT-NEXT: fsqrt
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; CHECK-LABEL: f2rsqrt:
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; CHECK-NEXT: BB#0
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; CHECK-NEXT: fmov
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; CHECK-NEXT: frsqrte
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}
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define <4 x float> @f4rsqrt(<4 x float> %a) #0 {
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%1 = tail call fast <4 x float> @llvm.sqrt.v4f32(<4 x float> %a) #2
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%2 = fdiv fast <4 x float> <float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00>, %1
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ret <4 x float> %2
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; FAULT-LABEL: f4rsqrt:
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; FAULT-NEXT: BB#0
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; FAULT-NEXT: fsqrt
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; CHECK-LABEL: f4rsqrt:
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; CHECK-NEXT: BB#0
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; CHECK-NEXT: fmov
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; CHECK-NEXT: frsqrte
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}
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define double @drsqrt(double %a) #0 {
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%1 = tail call fast double @llvm.sqrt.f64(double %a)
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%2 = fdiv fast double 1.000000e+00, %1
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ret double %2
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; FAULT-LABEL: drsqrt:
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; FAULT-NEXT: BB#0
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; FAULT-NEXT: fsqrt
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; CHECK-LABEL: drsqrt:
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; CHECK-NEXT: BB#0
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; CHECK-NEXT: fmov
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; CHECK-NEXT: frsqrte
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}
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define <2 x double> @d2rsqrt(<2 x double> %a) #0 {
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%1 = tail call fast <2 x double> @llvm.sqrt.v2f64(<2 x double> %a) #2
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%2 = fdiv fast <2 x double> <double 1.000000e+00, double 1.000000e+00>, %1
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ret <2 x double> %2
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; FAULT-LABEL: d2rsqrt:
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; FAULT-NEXT: BB#0
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; FAULT-NEXT: fsqrt
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; CHECK-LABEL: d2rsqrt:
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; CHECK-NEXT: BB#0
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; CHECK-NEXT: fmov
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; CHECK-NEXT: frsqrte
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}
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attributes #0 = { nounwind "unsafe-fp-math"="true" }
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