1 ; RUN: opt < %s -S -early-cse | FileCheck %s
2 ; RUN: opt < %s -S -basicaa -early-cse-memssa | FileCheck %s
4 ; Ensure we don't simplify away additions vectors of +0.0's (same as scalars).
5 define <4 x float> @fV( <4 x float> %a) {
6 ; CHECK: %b = fadd <4 x float> %a, zeroinitializer
7 %b = fadd <4 x float> %a, <float 0.0,float 0.0,float 0.0,float 0.0>
11 define <4 x float> @fW( <4 x float> %a) {
12 ; CHECK: ret <4 x float> %a
13 %b = fadd <4 x float> %a, <float -0.0,float -0.0,float -0.0,float -0.0>
18 define void @fX(<4 x float> *%p, <4 x float> %a) {
19 ; CHECK: %x = fneg <4 x float> %a
20 ; CHECK-NEXT: store volatile <4 x float> %x, <4 x float>* %p
21 ; CHECK-NEXT: store volatile <4 x float> %x, <4 x float>* %p
22 %x = fneg <4 x float> %a
23 %y = fneg <4 x float> %a
24 store volatile <4 x float> %x, <4 x float>* %p
25 store volatile <4 x float> %y, <4 x float>* %p