xref: /llvm-project/llvm/test/Transforms/SLPVectorizer/int_sideeffect.ll (revision 580210a0c938531ef9fd79f9ffedb93eeb2e66c2)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -S < %s -passes=slp-vectorizer -slp-max-reg-size=128 -slp-min-reg-size=128 | FileCheck %s
3
4declare void @llvm.sideeffect()
5
6; SLP vectorization across a @llvm.sideeffect.
7
8define void @test_sideeffect(ptr %p) {
9; CHECK-LABEL: @test_sideeffect(
10; CHECK-NEXT:    call void @llvm.sideeffect()
11; CHECK-NEXT:    call void @llvm.sideeffect()
12; CHECK-NEXT:    [[TMP2:%.*]] = load <4 x float>, ptr [[P:%.*]], align 4
13; CHECK-NEXT:    store <4 x float> [[TMP2]], ptr [[P]], align 4
14; CHECK-NEXT:    ret void
15;
16  %p1 = getelementptr float, ptr %p, i64 1
17  %p2 = getelementptr float, ptr %p, i64 2
18  %p3 = getelementptr float, ptr %p, i64 3
19  %l0 = load float, ptr %p
20  %l1 = load float, ptr %p1
21  %l2 = load float, ptr %p2
22  call void @llvm.sideeffect()
23  %l3 = load float, ptr %p3
24  store float %l0, ptr %p
25  call void @llvm.sideeffect()
26  store float %l1, ptr %p1
27  store float %l2, ptr %p2
28  store float %l3, ptr %p3
29  ret void
30}
31
32declare void @foo()
33
34define void @test_inaccessiblememonly(ptr %p) {
35; CHECK-LABEL: @test_inaccessiblememonly(
36; CHECK-NEXT:    call void @foo() #[[ATTR1:[0-9]+]]
37; CHECK-NEXT:    call void @foo() #[[ATTR1]]
38; CHECK-NEXT:    [[TMP2:%.*]] = load <4 x float>, ptr [[P:%.*]], align 4
39; CHECK-NEXT:    store <4 x float> [[TMP2]], ptr [[P]], align 4
40; CHECK-NEXT:    ret void
41;
42  %p1 = getelementptr float, ptr %p, i64 1
43  %p2 = getelementptr float, ptr %p, i64 2
44  %p3 = getelementptr float, ptr %p, i64 3
45  %l0 = load float, ptr %p
46  %l1 = load float, ptr %p1
47  %l2 = load float, ptr %p2
48  call void @foo() inaccessiblememonly
49  %l3 = load float, ptr %p3
50  store float %l0, ptr %p
51  call void @foo() inaccessiblememonly
52  store float %l1, ptr %p1
53  store float %l2, ptr %p2
54  store float %l3, ptr %p3
55  ret void
56}
57