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| author | Dale Johannesen <dalej@apple.com> | 2009-01-20 21:58:13 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@apple.com> | 2009-01-20 21:58:13 +0000 |
| commit | 67e1e7c3d84e04abbda81426827c72937e0aceba (patch) | |
| tree | 46c71d96562d4dd617c685fce58b3d404b019c60 | |
| parent | 1d5ee5c3b8dedab297d2158271d4c3743e812eea (diff) | |
| download | external_llvm-67e1e7c3d84e04abbda81426827c72937e0aceba.zip external_llvm-67e1e7c3d84e04abbda81426827c72937e0aceba.tar.gz external_llvm-67e1e7c3d84e04abbda81426827c72937e0aceba.tar.bz2 | |
Calls to fmod, it turns out, are constant-folded by
invoking the host fmod, not by lowering to frem and
constant-folding that. Fix this so it tests what I
want to test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62622 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | test/Transforms/InstCombine/2009-01-19-fmod-constant-float.ll | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/test/Transforms/InstCombine/2009-01-19-fmod-constant-float.ll b/test/Transforms/InstCombine/2009-01-19-fmod-constant-float.ll index 7c63ff6..9cdb425 100644 --- a/test/Transforms/InstCombine/2009-01-19-fmod-constant-float.ll +++ b/test/Transforms/InstCombine/2009-01-19-fmod-constant-float.ll @@ -11,7 +11,7 @@ entry: %retval = alloca float ; <float*> [#uses=2] %0 = alloca float ; <float*> [#uses=2] %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] - %1 = call double @fmod(double 1.000000e-01, double 1.000000e+00) nounwind readonly ; <double> [#uses=1] + %1 = frem double 1.000000e-01, 1.000000e+00 ; <double> [#uses=1] %2 = fptrunc double %1 to float ; <float> [#uses=1] store float %2, float* %0, align 4 %3 = load float* %0, align 4 ; <float> [#uses=1] @@ -23,14 +23,12 @@ return: ; preds = %entry ret float %retval1 } -declare double @fmod(double, double) nounwind readonly - define float @test2() nounwind { entry: %retval = alloca float ; <float*> [#uses=2] %0 = alloca float ; <float*> [#uses=2] %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] - %1 = call double @fmod(double -1.000000e-01, double 1.000000e+00) nounwind readonly ; <double> [#uses=1] + %1 = frem double -1.000000e-01, 1.000000e+00 ; <double> [#uses=1] %2 = fptrunc double %1 to float ; <float> [#uses=1] store float %2, float* %0, align 4 %3 = load float* %0, align 4 ; <float> [#uses=1] @@ -47,7 +45,7 @@ entry: %retval = alloca float ; <float*> [#uses=2] %0 = alloca float ; <float*> [#uses=2] %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] - %1 = call double @fmod(double 1.000000e-01, double -1.000000e+00) nounwind readonly ; <double> [#uses=1] + %1 = frem double 1.000000e-01, -1.000000e+00 ; <double> [#uses=1] %2 = fptrunc double %1 to float ; <float> [#uses=1] store float %2, float* %0, align 4 %3 = load float* %0, align 4 ; <float> [#uses=1] @@ -64,7 +62,7 @@ entry: %retval = alloca float ; <float*> [#uses=2] %0 = alloca float ; <float*> [#uses=2] %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] - %1 = call double @fmod(double -1.000000e-01, double -1.000000e+00) nounwind readonly ; <double> [#uses=1] + %1 = frem double -1.000000e-01, -1.000000e+00 ; <double> [#uses=1] %2 = fptrunc double %1 to float ; <float> [#uses=1] store float %2, float* %0, align 4 %3 = load float* %0, align 4 ; <float> [#uses=1] |