diff options
Diffstat (limited to 'test/Transforms/InstCombine/sqrt.ll')
-rw-r--r-- | test/Transforms/InstCombine/sqrt.ll | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/test/Transforms/InstCombine/sqrt.ll b/test/Transforms/InstCombine/sqrt.ll index 69e511bfb3..6ee7a53ae7 100644 --- a/test/Transforms/InstCombine/sqrt.ll +++ b/test/Transforms/InstCombine/sqrt.ll @@ -14,8 +14,6 @@ entry: ret float %conv1 } -declare double @sqrt(double) - ; PR8096 define float @test2(float %x) nounwind readnone ssp { entry: @@ -30,3 +28,22 @@ entry: ; CHECK: ret float ret float %conv1 } + +; rdar://9763193 +; Can't fold (fptrunc (sqrt (fpext x))) -> (sqrtf x) since there is another +; use of sqrt result. +define float @test3(float* %v) nounwind uwtable ssp { +entry: +; CHECK: @test3 +; CHECK: sqrt( +; CHECK-NOT: sqrtf( +; CHECK: fptrunc + %call34 = call double @sqrt(double undef) nounwind readnone + %call36 = call i32 (double)* @foo(double %call34) nounwind + %conv38 = fptrunc double %call34 to float + ret float %conv38 +} + +declare i32 @foo(double) + +declare double @sqrt(double) readnone |