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| author | Owen Anderson <resistor@mac.com> | 2013-05-09 22:27:13 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2013-05-09 22:27:13 +0000 |
| commit | 32baf99b1d46570b6e34b2c1092e43abd845ef7a (patch) | |
| tree | c29bd6dc1fa49373ff7f60c6bc2014cc5fe79425 /llvm/test/CodeGen/X86 | |
| parent | 37f25ae3cf7e1bd2fc131b303b2342e67384003b (diff) | |
| download | bcm5719-llvm-32baf99b1d46570b6e34b2c1092e43abd845ef7a.tar.gz bcm5719-llvm-32baf99b1d46570b6e34b2c1092e43abd845ef7a.zip | |
Teach SelectionDAG to constant fold all-constant FMA nodes the same way that it constant folds FADD, FMUL, etc.
llvm-svn: 181555
Diffstat (limited to 'llvm/test/CodeGen/X86')
| -rw-r--r-- | llvm/test/CodeGen/X86/fma.ll | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/fma.ll b/llvm/test/CodeGen/X86/fma.ll index bd3514cc3f7..917eac0ca32 100644 --- a/llvm/test/CodeGen/X86/fma.ll +++ b/llvm/test/CodeGen/X86/fma.ll @@ -34,6 +34,14 @@ entry: ret x86_fp80 %call } +; CHECK: test_f32_cst +; CHECK-NOT: fma +define float @test_f32_cst() nounwind readnone ssp { +entry: + %call = tail call float @llvm.fma.f32(float 3.0, float 3.0, float 3.0) nounwind readnone + ret float %call +} + declare float @llvm.fma.f32(float, float, float) nounwind readnone declare double @llvm.fma.f64(double, double, double) nounwind readnone declare x86_fp80 @llvm.fma.f80(x86_fp80, x86_fp80, x86_fp80) nounwind readnone |
