vendor/llvm/llvm-trunk-r305575

1 files changed, 94 insertions, 43 deletions

diff --git a/test/CodeGen/X86/sincos-opt.ll b/test/CodeGen/X86/sincos-opt.ll
index f0dff3b806c53..e2fd63eab30fc 100644
--- a/test/CodeGen/X86/sincos-opt.ll
+++ b/test/CodeGen/X86/sincos-opt.ll
@@ -1,10 +1,12 @@
 ; RUN: llc < %s -mtriple=x86_64-apple-macosx10.9.0 -mcpu=core2 | FileCheck %s --check-prefix=OSX_SINCOS
 ; RUN: llc < %s -mtriple=x86_64-apple-macosx10.8.0 -mcpu=core2 | FileCheck %s --check-prefix=OSX_NOOPT
-; RUN: llc < %s -mtriple=x86_64-pc-linux-gnu -mcpu=core2 | FileCheck %s --check-prefix=GNU_NOOPT
-; RUN: llc < %s -mtriple=x86_64-pc-linux-gnu -mcpu=core2 -enable-unsafe-fp-math | FileCheck %s --check-prefix=GNU_SINCOS
-; RUN: llc < %s -mtriple=x86_64-pc-linux-gnux32 -mcpu=core2 -enable-unsafe-fp-math | FileCheck %s --check-prefix=GNUX32_SINCOS
+; RUN: llc < %s -mtriple=x86_64-pc-linux-gnu -mcpu=core2 | FileCheck %s --check-prefix=GNU_SINCOS
+; RUN: llc < %s -mtriple=x86_64-pc-linux-gnu -mcpu=core2 -enable-unsafe-fp-math | FileCheck %s --check-prefix=GNU_SINCOS_FASTMATH
+; RUN: llc < %s -mtriple=x86_64-pc-linux-gnux32 -mcpu=core2 -enable-unsafe-fp-math | FileCheck %s --check-prefix=GNU_SINCOS_FASTMATH
 
-; Combine sin / cos into a single call.
+; Combine sin / cos into a single call unless they may write errno (as
+; captured by readnone attrbiute, controlled by clang -fmath-errno
+; setting).
 ; rdar://13087969
 ; rdar://13599493
 
@@ -15,25 +17,44 @@ entry:
 ; GNU_SINCOS: movss 4(%rsp), %xmm0
 ; GNU_SINCOS: addss (%rsp), %xmm0
 
-; GNUX32_SINCOS-LABEL: test1:
-; GNUX32_SINCOS: callq sincosf
-; GNUX32_SINCOS: movss 4(%esp), %xmm0
-; GNUX32_SINCOS: addss (%esp), %xmm0
-
-; GNU_NOOPT: test1
-; GNU_NOOPT: callq sinf
-; GNU_NOOPT: callq cosf
+; GNU_SINCOS_FASTMATH-LABEL: test1:
+; GNU_SINCOS_FASTMATH: callq sincosf
+; GNU_SINCOS_FASTMATH: movss 4(%{{[re]}}sp), %xmm0
+; GNU_SINCOS_FASTMATH: addss (%{{[re]}}sp), %xmm0
 
 ; OSX_SINCOS-LABEL: test1:
 ; OSX_SINCOS: callq ___sincosf_stret
 ; OSX_SINCOS: movshdup {{.*}} xmm1 = xmm0[1,1,3,3]
 ; OSX_SINCOS: addss %xmm1, %xmm0
 
-; OSX_NOOPT: test1
+; OSX_NOOPT-LABEL: test1:
 ; OSX_NOOPT: callq _sinf
 ; OSX_NOOPT: callq _cosf
-  %call = tail call float @sinf(float %x) nounwind readnone
-  %call1 = tail call float @cosf(float %x) nounwind readnone
+  %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:
+; GNU_SINCOS-LABEL: test1_errno:
+; GNU_SINCOS: callq sinf
+; GNU_SINCOS: callq cosf
+
+; GNU_SINCOS_FASTMATH-LABEL: test1_errno:
+; GNU_SINCOS_FASTMATH: callq sinf
+; GNU_SINCOS_FASTMATH: callq cosf
+
+; OSX_SINCOS-LABEL: test1_errno:
+; OSX_SINCOS: callq _sinf
+; OSX_SINCOS: callq _cosf
+
+; OSX_NOOPT-LABEL: test1_errno:
+; OSX_NOOPT: callq _sinf
+; OSX_NOOPT: callq _cosf
+  %call = tail call float @sinf(float %x)
+  %call1 = tail call float @cosf(float %x)
   %add = fadd float %call, %call1
   ret float %add
 }
@@ -45,24 +66,43 @@ entry:
 ; GNU_SINCOS: movsd 16(%rsp), %xmm0
 ; GNU_SINCOS: addsd 8(%rsp), %xmm0
 
-; GNUX32_SINCOS-LABEL: test2:
-; GNUX32_SINCOS: callq sincos
-; GNUX32_SINCOS: movsd 16(%esp), %xmm0
-; GNUX32_SINCOS: addsd 8(%esp), %xmm0
-
-; GNU_NOOPT: test2:
-; GNU_NOOPT: callq sin
-; GNU_NOOPT: callq cos
+; GNU_SINCOS_FASTMATH-LABEL: test2:
+; GNU_SINCOS_FASTMATH: callq sincos
+; GNU_SINCOS_FASTMATH: movsd 16(%{{[re]}}sp), %xmm0
+; GNU_SINCOS_FASTMATH: addsd 8(%{{[re]}}sp), %xmm0
 
 ; OSX_SINCOS-LABEL: test2:
 ; OSX_SINCOS: callq ___sincos_stret
 ; OSX_SINCOS: addsd %xmm1, %xmm0
 
-; OSX_NOOPT: test2
+; OSX_NOOPT-LABEL: test2:
+; OSX_NOOPT: callq _sin
+; OSX_NOOPT: callq _cos
+  %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:
+; GNU_SINCOS-LABEL: test2_errno:
+; GNU_SINCOS: callq sin
+; GNU_SINCOS: callq cos
+
+; GNU_SINCOS_FASTMATH-LABEL: test2_errno:
+; GNU_SINCOS_FASTMATH: callq sin
+; GNU_SINCOS_FASTMATH: callq cos
+
+; OSX_SINCOS-LABEL: test2_errno:
+; OSX_SINCOS: callq _sin
+; OSX_SINCOS: callq _cos
+
+; OSX_NOOPT-LABEL: test2_errno:
 ; OSX_NOOPT: callq _sin
 ; OSX_NOOPT: callq _cos
-  %call = tail call double @sin(double %x) nounwind readnone
-  %call1 = tail call double @cos(double %x) nounwind readnone
+  %call = tail call double @sin(double %x)
+  %call1 = tail call double @cos(double %x)
   %add = fadd double %call, %call1
   ret double %add
 }
@@ -70,29 +110,40 @@ entry:
 define x86_fp80 @test3(x86_fp80 %x) nounwind {
 entry:
 ; GNU_SINCOS-LABEL: test3:
+; GNU_SINCOS: callq sincosl
+; GNU_SINCOS: fldt 16(%rsp)
+; GNU_SINCOS: fldt 32(%rsp)
+; GNU_SINCOS: faddp %st(1)
+
+; GNU_SINCOS_FASTMATH-LABEL: test3:
+; GNU_SINCOS_FASTMATH: fsin
+; GNU_SINCOS_FASTMATH: fcos
+; GNU_SINCOS_FASTMATH: faddp %st(1)
+; GNU_SINCOS_FASTMATH: ret
+  %call = tail call x86_fp80 @sinl(x86_fp80 %x) readnone
+  %call1 = tail call x86_fp80 @cosl(x86_fp80 %x) readnone
+  %add = fadd x86_fp80 %call, %call1
+  ret x86_fp80 %add
+}
+
+define x86_fp80 @test3_errno(x86_fp80 %x) nounwind {
+entry:
+; GNU_SINCOS-LABEL: test3_errno:
 ; GNU_SINCOS: callq sinl
 ; GNU_SINCOS: callq cosl
-; GNU_SINCOS: ret
 
-; GNUX32_SINCOS-LABEL: test3:
-; GNUX32_SINCOS: callq sinl
-; GNUX32_SINCOS: callq cosl
-; GNUX32_SINCOS: ret
-
-; GNU_NOOPT: test3:
-; GNU_NOOPT: callq sinl
-; GNU_NOOPT: callq cosl
-
-  %call = tail call x86_fp80 @sinl(x86_fp80 %x) nounwind
-  %call1 = tail call x86_fp80 @cosl(x86_fp80 %x) nounwind
+; GNU_SINCOS_FASTMATH-LABEL: test3_errno:
+; GNU_SINCOS_FASTMATH: callq sinl
+; GNU_SINCOS_FASTMATH: callq cosl
+  %call = tail call x86_fp80 @sinl(x86_fp80 %x)
+  %call1 = tail call x86_fp80 @cosl(x86_fp80 %x)
   %add = fadd x86_fp80 %call, %call1
   ret x86_fp80 %add
 }
 
-declare float  @sinf(float) readonly
-declare double @sin(double) readonly
-declare float @cosf(float) readonly
-declare double @cos(double) readonly
-
+declare float  @sinf(float)
+declare double @sin(double)
+declare float @cosf(float)
+declare double @cos(double)
 declare x86_fp80 @sinl(x86_fp80)
 declare x86_fp80 @cosl(x86_fp80)