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| author | Lang Hames <lhames@gmail.com> | 2014-01-24 19:00:19 +0000 |
|---|---|---|
| committer | Lang Hames <lhames@gmail.com> | 2014-01-24 19:00:19 +0000 |
| commit | a9699d475fe05c15a7d75ba63f57846225fa55d7 (patch) | |
| tree | dc3a9fc8e5211efada9739809cab35fe13bda5e1 | |
| parent | dc6f9b9a4fcf2b280ee2b30542d223dd6ddbf900 (diff) | |
| download | llvm-a9699d475fe05c15a7d75ba63f57846225fa55d7.tar.gz llvm-a9699d475fe05c15a7d75ba63f57846225fa55d7.tar.bz2 llvm-a9699d475fe05c15a7d75ba63f57846225fa55d7.tar.xz | |
Add a testcase for the changes in r199938.
<rdar://problem/15611947>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200027 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | test/CodeGen/X86/fma.ll | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/test/CodeGen/X86/fma.ll b/test/CodeGen/X86/fma.ll index 0cdf3cdf57..47252ec0bf 100644 --- a/test/CodeGen/X86/fma.ll +++ b/test/CodeGen/X86/fma.ll @@ -43,9 +43,9 @@ entry: } ; Test FMA3 variant selection -; CHECK: fma3_select231: -; CHECK: vfmadd231ss -define float @fma3_select231(float %x, float %y, i32 %N) #0 { +; CHECK: fma3_select231ssX: +; CHECK: vfmadd231ss xmm +define float @fma3_select231ssX(float %x, float %y) #0 { entry: br label %while.body while.body: ; preds = %while.body, %while.body @@ -57,6 +57,24 @@ while.end: ; preds = %while.body, %entry ret float %acc } +; Test FMA3 variant selection +; CHECK: fma3_select231pdY: +; CHECK: vfmadd231pd ymm +define <4 x double> @fma3_select231pdY(<4 x double> %x, <4 x double> %y) #0 { +entry: + br label %while.body +while.body: ; preds = %entry, %while.body + %acc.04 = phi <4 x double> [ zeroinitializer, %entry ], [ %add, %while.body ] + %add = tail call <4 x double> @llvm.fma.v4f64(<4 x double> %x, <4 x double> %y, <4 x double> %acc.04) + %vecext = extractelement <4 x double> %add, i32 0 + %cmp = fcmp oeq double %vecext, 0.000000e+00 + br i1 %cmp, label %while.body, label %while.end + +while.end: ; preds = %while.body + ret <4 x double> %add +} + 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 +declare <4 x double> @llvm.fma.v4f64(<4 x double>, <4 x double>, <4 x double>) nounwind readnone |