1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
; 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
}
|
