From a9699d475fe05c15a7d75ba63f57846225fa55d7 Mon Sep 17 00:00:00 2001 From: Lang Hames Date: Fri, 24 Jan 2014 19:00:19 +0000 Subject: [PATCH] Add a testcase for the changes in r199938. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200027 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/X86/fma.ll | 24 +++++++++++++++++++++--- 1 file changed, 21 insertions(+), 3 deletions(-) diff --git a/test/CodeGen/X86/fma.ll b/test/CodeGen/X86/fma.ll index 0cdf3cdf574..47252ec0bf3 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