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| author | Cameron Zwarich <zwarich@apple.com> | 2011-07-08 21:39:21 +0000 |
|---|---|---|
| committer | Cameron Zwarich <zwarich@apple.com> | 2011-07-08 21:39:21 +0000 |
| commit | 33390848a7eca75301d04a59b89b516d83e19ee0 (patch) | |
| tree | 78f81419440b86ae4fa8a150780b7f211668b781 /test/CodeGen/X86/fma.ll | |
| parent | cc0ddc707d5a7b1dd11141881df0bf4210f8aeee (diff) | |
| download | llvm-33390848a7eca75301d04a59b89b516d83e19ee0.tar.gz llvm-33390848a7eca75301d04a59b89b516d83e19ee0.tar.bz2 llvm-33390848a7eca75301d04a59b89b516d83e19ee0.tar.xz | |
Add an intrinsic and codegen support for fused multiply-accumulate. The intent
is to use this for architectures that have a native FMA instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134742 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/fma.ll')
| -rw-r--r-- | test/CodeGen/X86/fma.ll | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test/CodeGen/X86/fma.ll b/test/CodeGen/X86/fma.ll new file mode 100644 index 0000000000..5deedb9dd9 --- /dev/null +++ b/test/CodeGen/X86/fma.ll @@ -0,0 +1,33 @@ +; RUN: llc < %s -mtriple=i386-apple-darwin10 | FileCheck %s +; RUN: llc < %s -mtriple=x86_64-apple-darwin10 | FileCheck %s + +; CHECK: test_f32 +; CHECK: _fmaf + +define float @test_f32(float %a, float %b, float %c) nounwind readnone ssp { +entry: + %call = tail call float @llvm.fma.f32(float %a, float %b, float %c) nounwind readnone + ret float %call +} + +; CHECK: test_f64 +; CHECK: _fma + +define double @test_f64(double %a, double %b, double %c) nounwind readnone ssp { +entry: + %call = tail call double @llvm.fma.f64(double %a, double %b, double %c) nounwind readnone + ret double %call +} + +; CHECK: test_f80 +; CHECK: _fmal + +define x86_fp80 @test_f80(x86_fp80 %a, x86_fp80 %b, x86_fp80 %c) nounwind readnone ssp { +entry: + %call = tail call x86_fp80 @llvm.fma.f80(x86_fp80 %a, x86_fp80 %b, x86_fp80 %c) nounwind readnone + ret x86_fp80 %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 |