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|
; RUN: llc < %s -mtriple=arm64-apple-ios7 | FileCheck %s --check-prefix CHECK-IOS
; RUN: llc < %s -mtriple=arm64-linux-gnu | FileCheck %s --check-prefix CHECK-LINUX
; Combine sin / cos into a single call unless they may write errno (as
; captured by readnone attrbiute, controlled by clang -fmath-errno
; setting).
; rdar://12856873
define float @test1(float %x) nounwind {
entry:
; CHECK-IOS-LABEL: test1:
; CHECK-IOS: bl ___sincosf_stret
; CHECK-IOS: fadd s0, s0, s1
; CHECK-LINUX-LABEL: test1:
; CHECK-LINUX: bl sincosf
%call = tail call float @sinf(float %x) readnone
%call1 = tail call float @cosf(float %x) readnone
%add = fadd float %call, %call1
ret float %add
}
define float @test1_errno(float %x) nounwind {
entry:
; CHECK-IOS-LABEL: test1_errno:
; CHECK-IOS: bl _sinf
; CHECK-IOS: bl _cosf
; CHECK-LINUX-LABEL: test1_errno:
; CHECK-LINUX: bl sinf
; CHECK-LINUX: bl cosf
%call = tail call float @sinf(float %x)
%call1 = tail call float @cosf(float %x)
%add = fadd float %call, %call1
ret float %add
}
define double @test2(double %x) nounwind {
entry:
; CHECK-IOS-LABEL: test2:
; CHECK-IOS: bl ___sincos_stret
; CHECK-IOS: fadd d0, d0, d1
; CHECK-LINUX-LABEL: test2:
; CHECK-LINUX: bl sincos
%call = tail call double @sin(double %x) readnone
%call1 = tail call double @cos(double %x) readnone
%add = fadd double %call, %call1
ret double %add
}
define double @test2_errno(double %x) nounwind {
entry:
; CHECK-IOS-LABEL: test2_errno:
; CHECK-IOS: bl _sin
; CHECK-IOS: bl _cos
; CHECK-LINUX-LABEL: test2_errno:
; CHECK-LINUX: bl sin
; CHECK-LINUX: bl cos
%call = tail call double @sin(double %x)
%call1 = tail call double @cos(double %x)
%add = fadd double %call, %call1
ret double %add
}
declare float @sinf(float)
declare double @sin(double)
declare float @cosf(float)
declare double @cos(double)
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