80 lines
1.6 KiB
LLVM
80 lines
1.6 KiB
LLVM
; RUN: llc < %s -mtriple=aarch64 -mattr=neon -recip=!div,!vec-div | FileCheck %s --check-prefix=FAULT
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; RUN: llc < %s -mtriple=aarch64 -mattr=neon -recip=div,vec-div | FileCheck %s
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define float @frecp(float %x) #0 {
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%div = fdiv fast float 1.0, %x
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ret float %div
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; FAULT-LABEL: frecp:
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; FAULT-NEXT: BB#0
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; FAULT-NEXT: fmov
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; FAULT-NEXT: fdiv
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; CHECK-LABEL: frecp:
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; CHECK-NEXT: BB#0
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; CHECK-NEXT: frecpe
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; CHECK-NEXT: fmov
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}
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define <2 x float> @f2recp(<2 x float> %x) #0 {
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%div = fdiv fast <2 x float> <float 1.0, float 1.0>, %x
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ret <2 x float> %div
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; FAULT-LABEL: f2recp:
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; FAULT-NEXT: BB#0
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; FAULT-NEXT: fmov
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; FAULT-NEXT: fdiv
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; CHECK-LABEL: f2recp:
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; CHECK-NEXT: BB#0
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; CHECK-NEXT: fmov
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; CHECK-NEXT: frecpe
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}
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define <4 x float> @f4recp(<4 x float> %x) #0 {
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%div = fdiv fast <4 x float> <float 1.0, float 1.0, float 1.0, float 1.0>, %x
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ret <4 x float> %div
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; FAULT-LABEL: f4recp:
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; FAULT-NEXT: BB#0
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; FAULT-NEXT: fmov
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; FAULT-NEXT: fdiv
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; CHECK-LABEL: f4recp:
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; CHECK-NEXT: BB#0
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; CHECK-NEXT: fmov
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; CHECK-NEXT: frecpe
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}
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define double @drecp(double %x) #0 {
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%div = fdiv fast double 1.0, %x
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ret double %div
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; FAULT-LABEL: drecp:
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; FAULT-NEXT: BB#0
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; FAULT-NEXT: fmov
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; FAULT-NEXT: fdiv
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; CHECK-LABEL: drecp:
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; CHECK-NEXT: BB#0
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; CHECK-NEXT: frecpe
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; CHECK-NEXT: fmov
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}
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define <2 x double> @d2recp(<2 x double> %x) #0 {
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%div = fdiv fast <2 x double> <double 1.0, double 1.0>, %x
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ret <2 x double> %div
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; FAULT-LABEL: d2recp:
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; FAULT-NEXT: BB#0
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; FAULT-NEXT: fmov
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; FAULT-NEXT: fdiv
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; CHECK-LABEL: d2recp:
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; CHECK-NEXT: BB#0
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; CHECK-NEXT: fmov
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; CHECK-NEXT: frecpe
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}
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attributes #0 = { nounwind "unsafe-fp-math"="true" }
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