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3204b2357d
Currently, the machine combiner can proceed matching when -ffast-math is on. It should also match when only -ffp-contract=fast is specified as was the case before when DAGCombiner was doing the job. Patch by: Abderrazek Zaafrani <a.zaafrani@samsung.com>. Differential Revision: https://reviews.llvm.org/D24366 llvm-svn: 281649
13 lines
808 B
LLVM
13 lines
808 B
LLVM
; RUN: llc < %s -mtriple=aarch64-linux-gnu -fp-contract=fast | FileCheck %s
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define float @mul_add(float %a, float %b, float %c) local_unnamed_addr #0 {
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; CHECK-LABEL: %entry
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; CHECK: fmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
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entry:
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%mul = fmul float %a, %b
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%add = fadd float %mul, %c
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ret float %add
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}
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attributes #0 = { norecurse nounwind readnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+neon" "unsafe-fp-math"="false" "use-soft-float"="false" }
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