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61 lines
1.3 KiB
LLVM
61 lines
1.3 KiB
LLVM
; RUN: llc -march=arm -mcpu=cortex-a9 -mattr=+vfp4 -enable-unsafe-fp-math < %s | FileCheck %s
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; CHECK: test1
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define float @test1(float %x) {
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; CHECK-NOT: vfma
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; CHECK: vmul.f32
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; CHECK-NOT: vfma
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%t1 = fmul float %x, 3.0
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%t2 = call float @llvm.fma.f32(float %x, float 2.0, float %t1)
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ret float %t2
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}
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; CHECK: test2
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define float @test2(float %x, float %y) {
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; CHECK-NOT: vmul
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; CHECK: vfma.f32
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; CHECK-NOT: vmul
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%t1 = fmul float %x, 3.0
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%t2 = call float @llvm.fma.f32(float %t1, float 2.0, float %y)
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ret float %t2
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}
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; CHECK: test3
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define float @test3(float %x, float %y) {
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; CHECK-NOT: vfma
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; CHECK: vadd.f32
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; CHECK-NOT: vfma
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%t2 = call float @llvm.fma.f32(float %x, float 1.0, float %y)
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ret float %t2
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}
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; CHECK: test4
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define float @test4(float %x, float %y) {
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; CHECK-NOT: vfma
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; CHECK: vsub.f32
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; CHECK-NOT: vfma
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%t2 = call float @llvm.fma.f32(float %x, float -1.0, float %y)
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ret float %t2
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}
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; CHECK: test5
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define float @test5(float %x) {
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; CHECK-NOT: vfma
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; CHECK: vmul.f32
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; CHECK-NOT: vfma
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%t2 = call float @llvm.fma.f32(float %x, float 2.0, float %x)
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ret float %t2
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}
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; CHECK: test6
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define float @test6(float %x) {
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; CHECK-NOT: vfma
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; CHECK: vmul.f32
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; CHECK-NOT: vfma
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%t1 = fsub float -0.0, %x
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%t2 = call float @llvm.fma.f32(float %x, float 5.0, float %t1)
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ret float %t2
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}
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declare float @llvm.fma.f32(float, float, float)
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