summaryrefslogtreecommitdiff
path: root/test/CodeGen/X86/vec_zero_cse.ll
blob: bda3feff2b005739c74a04549ee7aee9f6ea99f8 (plain)
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
; RUN: llc < %s -relocation-model=static -march=x86 -mcpu=yonah | FileCheck %s
; RUN: llc < %s -relocation-model=static -march=x86 -mcpu=yonah | FileCheck -check-prefix CHECK2 %s
; 64-bit stores here do not use MMX.

; CHECK: xorps
; CHECK-NOT: xorps

; CHECK2: pcmpeqd
; CHECK2-NOT: pcmpeqd

@M1 = external global <1 x i64>
@M2 = external global <2 x i32>

@S1 = external global <2 x i64>
@S2 = external global <4 x i32>

define void @test() {
  store <1 x i64> zeroinitializer, <1 x i64>* @M1
  store <2 x i32> zeroinitializer, <2 x i32>* @M2
  ret void
}

define void @test2() {
  store <1 x i64> < i64 -1 >, <1 x i64>* @M1
  store <2 x i32> < i32 -1, i32 -1 >, <2 x i32>* @M2
  ret void
}

define void @test3() {
  store <2 x i64> zeroinitializer, <2 x i64>* @S1
  store <4 x i32> zeroinitializer, <4 x i32>* @S2
  ret void
}

define void @test4() {
  store <2 x i64> < i64 -1, i64 -1>, <2 x i64>* @S1
  store <4 x i32> < i32 -1, i32 -1, i32 -1, i32 -1 >, <4 x i32>* @S2
  ret void
}