diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/sqrt.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/sqrt.ll | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/llvm/test/Transforms/InstCombine/sqrt.ll b/llvm/test/Transforms/InstCombine/sqrt.ll index 65053820482..69e511bfb3b 100644 --- a/llvm/test/Transforms/InstCombine/sqrt.ll +++ b/llvm/test/Transforms/InstCombine/sqrt.ll @@ -1,16 +1,32 @@ ; RUN: opt -S -instcombine %s | FileCheck %s -define float @foo(float %x) nounwind readnone ssp { +define float @test1(float %x) nounwind readnone ssp { entry: +; CHECK: @test1 ; CHECK-NOT: fpext ; CHECK-NOT: sqrt( ; CHECK: sqrtf( ; CHECK-NOT: fptrunc %conv = fpext float %x to double ; <double> [#uses=1] - %call = tail call double @sqrt(double %conv) nounwind ; <double> [#uses=1] + %call = tail call double @sqrt(double %conv) readnone nounwind ; <double> [#uses=1] %conv1 = fptrunc double %call to float ; <float> [#uses=1] ; CHECK: ret float ret float %conv1 } -declare double @sqrt(double) readnone +declare double @sqrt(double) + +; PR8096 +define float @test2(float %x) nounwind readnone ssp { +entry: +; CHECK: @test2 +; CHECK-NOT: fpext +; CHECK-NOT: sqrt( +; CHECK: sqrtf( +; CHECK-NOT: fptrunc + %conv = fpext float %x to double ; <double> [#uses=1] + %call = tail call double @sqrt(double %conv) nounwind ; <double> [#uses=1] + %conv1 = fptrunc double %call to float ; <float> [#uses=1] +; CHECK: ret float + ret float %conv1 +} |
