forked from OSchip/llvm-project
42 lines
1.8 KiB
LLVM
42 lines
1.8 KiB
LLVM
; Test that the compiled does not fuse fmul and fadd into fmadd when no -fp-contract=fast
|
|
; option is set (the same applies for fmul, fsub and fmsub).
|
|
|
|
; RUN: llc -march=mipsel -mattr=+msa,+fp64,+mips32r2 < %s \
|
|
; RUN: | FileCheck %s --check-prefixes=CHECK-CONTRACT-OFF
|
|
; RUN: llc -march=mipsel -mattr=+msa,+fp64,+mips32r2 -fp-contract=off < %s \
|
|
; RUN: | FileCheck %s --check-prefixes=CHECK-CONTRACT-OFF
|
|
; RUN: llc -march=mips -mattr=+msa,+fp64,+mips32r2 -fp-contract=fast < %s \
|
|
; RUN: | FileCheck %s --check-prefixes=CHECK-CONTRACT-FAST
|
|
|
|
declare <4 x float> @llvm.mips.fmul.w(<4 x float>, <4 x float>)
|
|
declare <4 x float> @llvm.mips.fadd.w(<4 x float>, <4 x float>)
|
|
declare <4 x float> @llvm.mips.fsub.w(<4 x float>, <4 x float>)
|
|
|
|
define void @foo(<4 x float>* %agg.result, <4 x float>* %acc, <4 x float>* %a, <4 x float>* %b) {
|
|
entry:
|
|
%0 = load <4 x float>, <4 x float>* %a, align 16
|
|
%1 = load <4 x float>, <4 x float>* %b, align 16
|
|
%2 = call <4 x float> @llvm.mips.fmul.w(<4 x float> %0, <4 x float> %1)
|
|
%3 = load <4 x float>, <4 x float>* %acc, align 16
|
|
%4 = call <4 x float> @llvm.mips.fadd.w(<4 x float> %3, <4 x float> %2)
|
|
store <4 x float> %4, <4 x float>* %agg.result, align 16
|
|
ret void
|
|
; CHECK-CONTRACT-OFF: fmul.w
|
|
; CHECK-CONTRACT-OFF: fadd.w
|
|
; CHECK-CONTRACT-FAST: fmadd.w
|
|
}
|
|
|
|
define void @boo(<4 x float>* %agg.result, <4 x float>* %acc, <4 x float>* %a, <4 x float>* %b) {
|
|
entry:
|
|
%0 = load <4 x float>, <4 x float>* %a, align 16
|
|
%1 = load <4 x float>, <4 x float>* %b, align 16
|
|
%2 = call <4 x float> @llvm.mips.fmul.w(<4 x float> %0, <4 x float> %1)
|
|
%3 = load <4 x float>, <4 x float>* %acc, align 16
|
|
%4 = call <4 x float> @llvm.mips.fsub.w(<4 x float> %3, <4 x float> %2)
|
|
store <4 x float> %4, <4 x float>* %agg.result, align 16
|
|
ret void
|
|
; CHECK-CONTRACT-OFF: fmul.w
|
|
; CHECK-CONTRACT-OFF: fsub.w
|
|
; CHECK-CONTRACT-FAST: fmsub.w
|
|
}
|