2014-04-03 16:01:44 +00:00
|
|
|
; RUN: llc -mtriple=arm-eabi -mcpu=cortex-a9 -mattr=+vfp4 -enable-unsafe-fp-math %s -o - \
|
|
|
|
; RUN: | FileCheck %s
|
2012-09-01 06:04:27 +00:00
|
|
|
|
|
|
|
; 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)
|