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Diffstat (limited to 'test/CodeGen/ARM/fp-fast.ll')
| -rw-r--r-- | test/CodeGen/ARM/fp-fast.ll | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/fp-fast.ll b/test/CodeGen/ARM/fp-fast.ll new file mode 100644 index 0000000..ec57187 --- /dev/null +++ b/test/CodeGen/ARM/fp-fast.ll @@ -0,0 +1,60 @@ +; RUN: llc -march=arm -mcpu=cortex-a9 -mattr=+vfp4 -enable-unsafe-fp-math < %s | FileCheck %s + +; CHECK: test1 +define float @test1(float %x) { +; CHECK-NOT: vfma +; CHECK: vmul.f32 +; CHECK-NOT: vfma + %t1 = fmul float %x, 3.0 + %t2 = call float @llvm.fma.f32(float %x, float 2.0, float %t1) + ret float %t2 +} + +; CHECK: test2 +define float @test2(float %x, float %y) { +; CHECK-NOT: vmul +; CHECK: vfma.f32 +; CHECK-NOT: vmul + %t1 = fmul float %x, 3.0 + %t2 = call float @llvm.fma.f32(float %t1, float 2.0, float %y) + ret float %t2 +} + +; CHECK: test3 +define float @test3(float %x, float %y) { +; CHECK-NOT: vfma +; CHECK: vadd.f32 +; CHECK-NOT: vfma + %t2 = call float @llvm.fma.f32(float %x, float 1.0, float %y) + ret float %t2 +} + +; CHECK: test4 +define float @test4(float %x, float %y) { +; CHECK-NOT: vfma +; CHECK: vsub.f32 +; CHECK-NOT: vfma + %t2 = call float @llvm.fma.f32(float %x, float -1.0, float %y) + ret float %t2 +} + +; CHECK: test5 +define float @test5(float %x) { +; CHECK-NOT: vfma +; CHECK: vmul.f32 +; CHECK-NOT: vfma + %t2 = call float @llvm.fma.f32(float %x, float 2.0, float %x) + ret float %t2 +} + +; CHECK: test6 +define float @test6(float %x) { +; CHECK-NOT: vfma +; CHECK: vmul.f32 +; CHECK-NOT: vfma + %t1 = fsub float -0.0, %x + %t2 = call float @llvm.fma.f32(float %x, float 5.0, float %t1) + ret float %t2 +} + +declare float @llvm.fma.f32(float, float, float) |
