llvm-6502/test/CodeGen/X86/fma.ll

48 lines
1.8 KiB
LLVM

; RUN: llc < %s -mtriple=i386-apple-darwin10 -mattr=+fma,-fma4 | FileCheck %s --check-prefix=CHECK-FMA-INST
; RUN: llc < %s -mtriple=i386-apple-darwin10 -mattr=-fma,-fma4 | FileCheck %s --check-prefix=CHECK-FMA-CALL
; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -mattr=+fma,-fma4 | FileCheck %s --check-prefix=CHECK-FMA-INST
; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -mattr=-fma,-fma4 | FileCheck %s --check-prefix=CHECK-FMA-CALL
; RUN: llc < %s -march=x86 -mcpu=bdver2 -mattr=-fma4 | FileCheck %s --check-prefix=CHECK-FMA-INST
; RUN: llc < %s -march=x86 -mcpu=bdver2 -mattr=-fma,-fma4 | FileCheck %s --check-prefix=CHECK-FMA-CALL
; CHECK: test_f32
; CHECK-FMA-INST: vfmadd213ss
; CHECK-FMA-CALL: fmaf
define float @test_f32(float %a, float %b, float %c) nounwind readnone ssp {
entry:
%call = tail call float @llvm.fma.f32(float %a, float %b, float %c) nounwind readnone
ret float %call
}
; CHECK: test_f64
; CHECK-FMA-INST: vfmadd213sd
; CHECK-FMA-CALL: fma
define double @test_f64(double %a, double %b, double %c) nounwind readnone ssp {
entry:
%call = tail call double @llvm.fma.f64(double %a, double %b, double %c) nounwind readnone
ret double %call
}
; CHECK: test_f80
; CHECK: fmal
define x86_fp80 @test_f80(x86_fp80 %a, x86_fp80 %b, x86_fp80 %c) nounwind readnone ssp {
entry:
%call = tail call x86_fp80 @llvm.fma.f80(x86_fp80 %a, x86_fp80 %b, x86_fp80 %c) nounwind readnone
ret x86_fp80 %call
}
; CHECK: test_f32_cst
; CHECK-NOT: fma
define float @test_f32_cst() nounwind readnone ssp {
entry:
%call = tail call float @llvm.fma.f32(float 3.0, float 3.0, float 3.0) nounwind readnone
ret float %call
}
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