| ; 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) |