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| author | dim <dim@FreeBSD.org> | 2012-08-15 19:34:23 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2012-08-15 19:34:23 +0000 |
| commit | 721c201bd55ffb73cb2ba8d39e0570fa38c44e15 (patch) | |
| tree | eacfc83d988e4b9d11114387ae7dc41243f2a363 /test/CodeGen/ARM/fusedMAC.ll | |
| parent | 2b2816e083a455f7a656ae88b0fd059d1688bb36 (diff) | |
| download | FreeBSD-src-721c201bd55ffb73cb2ba8d39e0570fa38c44e15.zip FreeBSD-src-721c201bd55ffb73cb2ba8d39e0570fa38c44e15.tar.gz | |
Vendor import of llvm trunk r161861:
http://llvm.org/svn/llvm-project/llvm/trunk@161861
Diffstat (limited to 'test/CodeGen/ARM/fusedMAC.ll')
| -rw-r--r-- | test/CodeGen/ARM/fusedMAC.ll | 47 |
1 files changed, 43 insertions, 4 deletions
diff --git a/test/CodeGen/ARM/fusedMAC.ll b/test/CodeGen/ARM/fusedMAC.ll index 802d1b8..303d165 100644 --- a/test/CodeGen/ARM/fusedMAC.ll +++ b/test/CodeGen/ARM/fusedMAC.ll @@ -1,4 +1,4 @@ -; RUN: llc < %s -mtriple=armv7-eabi -mattr=+neon,+vfp4 | FileCheck %s +; RUN: llc < %s -mtriple=armv7-eabi -mattr=+neon,+vfp4 -fp-contract=fast | FileCheck %s ; Check generated fused MAC and MLS. define double @fusedMACTest1(double %d1, double %d2, double %d3) { @@ -138,8 +138,16 @@ entry: ; CHECK: vfms.f64 %tmp1 = fsub double -0.0, %b %tmp2 = tail call double @llvm.fma.f64(double %a, double %tmp1, double %c) nounwind readnone - %tmp3 = fsub double -0.0, %tmp2 - ret double %tmp3 + ret double %tmp2 +} + +define float @test_fnms_f32(float %a, float %b, float* %c) nounwind readnone ssp { +; CHECK: test_fnms_f32 +; CHECK: vfnms.f32 + %tmp1 = load float* %c, align 4 + %tmp2 = fsub float -0.0, %tmp1 + %tmp3 = tail call float @llvm.fma.f32(float %a, float %b, float %tmp2) nounwind readnone + ret float %tmp3 } define double @test_fnms_f64(double %a, double %b, double %c) nounwind readnone ssp { @@ -158,7 +166,8 @@ entry: ; CHECK: vfnms.f64 %tmp1 = fsub double -0.0, %b %tmp2 = tail call double @llvm.fma.f64(double %a, double %tmp1, double %c) nounwind readnone - ret double %tmp2 + %tmp3 = fsub double -0.0, %tmp2 + ret double %tmp3 } define double @test_fnma_f64(double %a, double %b, double %c) nounwind readnone ssp { @@ -180,6 +189,36 @@ entry: ret double %tmp3 } +define float @test_fma_const_fold(float %a, float %b) nounwind { +; CHECK: test_fma_const_fold +; CHECK-NOT: vfma +; CHECK-NOT: vmul +; CHECK: vadd + %ret = call float @llvm.fma.f32(float %a, float 1.0, float %b) + ret float %ret +} + +define float @test_fma_canonicalize(float %a, float %b) nounwind { +; CHECK: test_fma_canonicalize +; CHECK: vmov.f32 [[R1:s[0-9]+]], #2.000000e+00 +; CHECK: vfma.f32 {{s[0-9]+}}, {{s[0-9]+}}, [[R1]] + %ret = call float @llvm.fma.f32(float 2.0, float %a, float %b) + ret float %ret +} + +; Check that very wide vector fma's can be split into legal fma's. +define void @test_fma_v8f32(<8 x float> %a, <8 x float> %b, <8 x float> %c, <8 x float>* %p) nounwind readnone ssp { +; CHECK: test_fma_v8f32 +; CHECK: vfma.f32 +; CHECK: vfma.f32 +entry: + %call = tail call <8 x float> @llvm.fma.v8f32(<8 x float> %a, <8 x float> %b, <8 x float> %c) nounwind readnone + store <8 x float> %call, <8 x float>* %p, align 16 + ret void +} + + declare float @llvm.fma.f32(float, float, float) nounwind readnone declare double @llvm.fma.f64(double, double, double) nounwind readnone declare <2 x float> @llvm.fma.v2f32(<2 x float>, <2 x float>, <2 x float>) nounwind readnone +declare <8 x float> @llvm.fma.v8f32(<8 x float>, <8 x float>, <8 x float>) nounwind readnone |
