llvm/test/CodeGen/ARM64/fmadd.ll
Tim Northover 7b837d8c75 ARM64: initial backend import
This adds a second implementation of the AArch64 architecture to LLVM,
accessible in parallel via the "arm64" triple. The plan over the
coming weeks & months is to merge the two into a single backend,
during which time thorough code review should naturally occur.

Everything will be easier with the target in-tree though, hence this
commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205090 91177308-0d34-0410-b5e6-96231b3b80d8
2014-03-29 10:18:08 +00:00

75 lines
2.0 KiB
LLVM

; RUN: llc -march=arm64 < %s | FileCheck %s
define float @fma32(float %a, float %b, float %c) nounwind readnone ssp {
entry:
; CHECK-LABEL: fma32:
; CHECK: fmadd
%0 = tail call float @llvm.fma.f32(float %a, float %b, float %c)
ret float %0
}
define float @fnma32(float %a, float %b, float %c) nounwind readnone ssp {
entry:
; CHECK-LABEL: fnma32:
; CHECK: fnmadd
%0 = tail call float @llvm.fma.f32(float %a, float %b, float %c)
%mul = fmul float %0, -1.000000e+00
ret float %mul
}
define float @fms32(float %a, float %b, float %c) nounwind readnone ssp {
entry:
; CHECK-LABEL: fms32:
; CHECK: fmsub
%mul = fmul float %b, -1.000000e+00
%0 = tail call float @llvm.fma.f32(float %a, float %mul, float %c)
ret float %0
}
define float @fnms32(float %a, float %b, float %c) nounwind readnone ssp {
entry:
; CHECK-LABEL: fnms32:
; CHECK: fnmsub
%mul = fmul float %c, -1.000000e+00
%0 = tail call float @llvm.fma.f32(float %a, float %b, float %mul)
ret float %0
}
define double @fma64(double %a, double %b, double %c) nounwind readnone ssp {
; CHECK-LABEL: fma64:
; CHECK: fmadd
entry:
%0 = tail call double @llvm.fma.f64(double %a, double %b, double %c)
ret double %0
}
define double @fnma64(double %a, double %b, double %c) nounwind readnone ssp {
; CHECK-LABEL: fnma64:
; CHECK: fnmadd
entry:
%0 = tail call double @llvm.fma.f64(double %a, double %b, double %c)
%mul = fmul double %0, -1.000000e+00
ret double %mul
}
define double @fms64(double %a, double %b, double %c) nounwind readnone ssp {
; CHECK-LABEL: fms64:
; CHECK: fmsub
entry:
%mul = fmul double %b, -1.000000e+00
%0 = tail call double @llvm.fma.f64(double %a, double %mul, double %c)
ret double %0
}
define double @fnms64(double %a, double %b, double %c) nounwind readnone ssp {
; CHECK-LABEL: fnms64:
; CHECK: fnmsub
entry:
%mul = fmul double %c, -1.000000e+00
%0 = tail call double @llvm.fma.f64(double %a, double %b, double %mul)
ret double %0
}
declare float @llvm.fma.f32(float, float, float) nounwind readnone
declare double @llvm.fma.f64(double, double, double) nounwind readnone