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8f2778b973
Summary: canCombineSinCosLibcall() would previously combine sin+cos into sincos for GNUX32/GNUEABI/GNUEABIHF regardless of whether UnsafeFPMath were set or not. However, GNU would only combine them for UnsafeFPMath because sincos does not set errno like sin and cos do. It seems likely that this is an oversight. Reviewers: t.p.northover Subscribers: t.p.northover, aemerson, llvm-commits, rengolin Differential Revision: http://reviews.llvm.org/D21431 llvm-svn: 273259
57 lines
1.5 KiB
LLVM
57 lines
1.5 KiB
LLVM
; RUN: llc < %s -mtriple=armv7-apple-ios6 -mcpu=cortex-a8 | FileCheck %s --check-prefix=NOOPT
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; RUN: llc < %s -mtriple=armv7-apple-ios7 -mcpu=cortex-a8 | FileCheck %s --check-prefix=SINCOS
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; RUN: llc < %s -mtriple=armv7-linux-gnu -mcpu=cortex-a8 | FileCheck %s --check-prefix=NOOPT-GNU
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; RUN: llc < %s -mtriple=armv7-linux-gnueabi -mcpu=cortex-a8 \
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; RUN: --enable-unsafe-fp-math | FileCheck %s --check-prefix=SINCOS-GNU
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; Combine sin / cos into a single call.
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; rdar://12856873
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define float @test1(float %x) nounwind {
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entry:
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; SINCOS-LABEL: test1:
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; SINCOS: bl ___sincosf_stret
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; SINCOS-GNU-LABEL: test1:
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; SINCOS-GNU: bl sincosf
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; NOOPT-LABEL: test1:
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; NOOPT: bl _sinf
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; NOOPT: bl _cosf
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; NOOPT-GNU-LABEL: test1:
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; NOOPT-GNU: bl sinf
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; NOOPT-GNU: bl cosf
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%call = tail call float @sinf(float %x) nounwind readnone
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%call1 = tail call float @cosf(float %x) nounwind readnone
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%add = fadd float %call, %call1
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ret float %add
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}
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define double @test2(double %x) nounwind {
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entry:
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; SINCOS-LABEL: test2:
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; SINCOS: bl ___sincos_stret
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; SINCOS-GNU-LABEL: test2:
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; SINCOS-GNU: bl sincos
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; NOOPT-LABEL: test2:
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; NOOPT: bl _sin
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; NOOPT: bl _cos
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; NOOPT-GNU-LABEL: test2:
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; NOOPT-GNU: bl sin
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; NOOPT-GNU: bl cos
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%call = tail call double @sin(double %x) nounwind readnone
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%call1 = tail call double @cos(double %x) nounwind readnone
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%add = fadd double %call, %call1
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ret double %add
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}
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declare float @sinf(float) readonly
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declare double @sin(double) readonly
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declare float @cosf(float) readonly
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declare double @cos(double) readonly
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