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Enable optimization of sin / cos pair into call to __sincos_stret for iOS7+.

Browse Source 
rdar://12856873
Patch by Evan Cheng, with a fix for rdar://13209539 by Tilmann Scheller

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193942 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson
2013-11-03 06:14:38 +00:00
parent 11cecbe1a0
commit cb01efb798
5 changed files with 125 additions and 0 deletions
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38
test/CodeGen/ARM/sincos.ll Normal file
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; RUN: llc < %s -mtriple=armv7-apple-ios6 -mcpu=cortex-a8 | FileCheck %s --check-prefix=NOOPT
; RUN: llc < %s -mtriple=armv7-apple-ios7 -mcpu=cortex-a8 | FileCheck %s --check-prefix=SINCOS
; Combine sin / cos into a single call.
; rdar://12856873
define float @test1(float %x) nounwind {
entry:
; SINCOS-LABEL: test1:
; SINCOS: bl ___sincosf_stret
; NOOPT-LABEL: test1:
; NOOPT: bl _sinf
; NOOPT: bl _cosf
%call = tail call float @sinf(float %x) nounwind readnone
%call1 = tail call float @cosf(float %x) nounwind readnone
%add = fadd float %call, %call1
ret float %add
}
define double @test2(double %x) nounwind {
entry:
; SINCOS-LABEL: test2:
; SINCOS: bl ___sincos_stret
; NOOPT-LABEL: test2:
; NOOPT: bl _sin
; NOOPT: bl _cos
%call = tail call double @sin(double %x) nounwind readnone
%call1 = tail call double @cos(double %x) nounwind readnone
%add = fadd double %call, %call1
ret double %add
}
declare float @sinf(float) readonly
declare double @sin(double) readonly
declare float @cosf(float) readonly
declare double @cos(double) readonly