1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -S < %s -load-store-vectorizer | FileCheck %s
3; RUN: opt -S < %s -passes='function(load-store-vectorizer)' | FileCheck %s
4
5declare void @llvm.sideeffect()
6
7; load-store vectorization across a @llvm.sideeffect.
8
9define void @test_sideeffect(float* %p) {
10; CHECK-LABEL: @test_sideeffect(
11; CHECK-NEXT:    [[P0:%.*]] = getelementptr float, float* [[P:%.*]], i64 0
12; CHECK-NEXT:    [[TMP1:%.*]] = bitcast float* [[P0]] to <4 x float>*
13; CHECK-NEXT:    [[TMP2:%.*]] = load <4 x float>, <4 x float>* [[TMP1]], align 16
14; CHECK-NEXT:    [[L01:%.*]] = extractelement <4 x float> [[TMP2]], i32 0
15; CHECK-NEXT:    [[L12:%.*]] = extractelement <4 x float> [[TMP2]], i32 1
16; CHECK-NEXT:    [[L23:%.*]] = extractelement <4 x float> [[TMP2]], i32 2
17; CHECK-NEXT:    [[L34:%.*]] = extractelement <4 x float> [[TMP2]], i32 3
18; CHECK-NEXT:    call void @llvm.sideeffect()
19; CHECK-NEXT:    call void @llvm.sideeffect()
20; CHECK-NEXT:    [[TMP3:%.*]] = insertelement <4 x float> poison, float [[L01]], i32 0
21; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <4 x float> [[TMP3]], float [[L12]], i32 1
22; CHECK-NEXT:    [[TMP5:%.*]] = insertelement <4 x float> [[TMP4]], float [[L23]], i32 2
23; CHECK-NEXT:    [[TMP6:%.*]] = insertelement <4 x float> [[TMP5]], float [[L34]], i32 3
24; CHECK-NEXT:    [[TMP7:%.*]] = bitcast float* [[P0]] to <4 x float>*
25; CHECK-NEXT:    store <4 x float> [[TMP6]], <4 x float>* [[TMP7]], align 16
26; CHECK-NEXT:    ret void
27;
28  %p0 = getelementptr float, float* %p, i64 0
29  %p1 = getelementptr float, float* %p, i64 1
30  %p2 = getelementptr float, float* %p, i64 2
31  %p3 = getelementptr float, float* %p, i64 3
32  %l0 = load float, float* %p0, align 16
33  %l1 = load float, float* %p1
34  %l2 = load float, float* %p2
35  call void @llvm.sideeffect()
36  %l3 = load float, float* %p3
37  store float %l0, float* %p0, align 16
38  call void @llvm.sideeffect()
39  store float %l1, float* %p1
40  store float %l2, float* %p2
41  store float %l3, float* %p3
42  ret void
43}
44
45declare void @foo()
46
47define void @test_inaccessiblememonly_nounwind_willreturn(float* %p) {
48; CHECK-LABEL: @test_inaccessiblememonly_nounwind_willreturn(
49; CHECK-NEXT:    [[P0:%.*]] = getelementptr float, float* [[P:%.*]], i64 0
50; CHECK-NEXT:    [[TMP1:%.*]] = bitcast float* [[P0]] to <4 x float>*
51; CHECK-NEXT:    [[TMP2:%.*]] = load <4 x float>, <4 x float>* [[TMP1]], align 16
52; CHECK-NEXT:    [[L01:%.*]] = extractelement <4 x float> [[TMP2]], i32 0
53; CHECK-NEXT:    [[L12:%.*]] = extractelement <4 x float> [[TMP2]], i32 1
54; CHECK-NEXT:    [[L23:%.*]] = extractelement <4 x float> [[TMP2]], i32 2
55; CHECK-NEXT:    [[L34:%.*]] = extractelement <4 x float> [[TMP2]], i32 3
56; CHECK-NEXT:    call void @foo() #[[ATTR1:[0-9]+]]
57; CHECK-NEXT:    call void @foo() #[[ATTR1]]
58; CHECK-NEXT:    [[TMP3:%.*]] = insertelement <4 x float> poison, float [[L01]], i32 0
59; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <4 x float> [[TMP3]], float [[L12]], i32 1
60; CHECK-NEXT:    [[TMP5:%.*]] = insertelement <4 x float> [[TMP4]], float [[L23]], i32 2
61; CHECK-NEXT:    [[TMP6:%.*]] = insertelement <4 x float> [[TMP5]], float [[L34]], i32 3
62; CHECK-NEXT:    [[TMP7:%.*]] = bitcast float* [[P0]] to <4 x float>*
63; CHECK-NEXT:    store <4 x float> [[TMP6]], <4 x float>* [[TMP7]], align 16
64; CHECK-NEXT:    ret void
65;
66  %p0 = getelementptr float, float* %p, i64 0
67  %p1 = getelementptr float, float* %p, i64 1
68  %p2 = getelementptr float, float* %p, i64 2
69  %p3 = getelementptr float, float* %p, i64 3
70  %l0 = load float, float* %p0, align 16
71  %l1 = load float, float* %p1
72  %l2 = load float, float* %p2
73  call void @foo() inaccessiblememonly nounwind willreturn
74  %l3 = load float, float* %p3
75  store float %l0, float* %p0, align 16
76  call void @foo() inaccessiblememonly nounwind willreturn
77  store float %l1, float* %p1
78  store float %l2, float* %p2
79  store float %l3, float* %p3
80  ret void
81}
82
83define void @test_inaccessiblememonly_not_willreturn(float* %p) {
84; CHECK-LABEL: @test_inaccessiblememonly_not_willreturn(
85; CHECK-NEXT:    [[P0:%.*]] = getelementptr float, float* [[P:%.*]], i64 0
86; CHECK-NEXT:    [[P1:%.*]] = getelementptr float, float* [[P]], i64 1
87; CHECK-NEXT:    [[P2:%.*]] = getelementptr float, float* [[P]], i64 2
88; CHECK-NEXT:    [[P3:%.*]] = getelementptr float, float* [[P]], i64 3
89; CHECK-NEXT:    [[L0:%.*]] = load float, float* [[P0]], align 16
90; CHECK-NEXT:    [[L1:%.*]] = load float, float* [[P1]], align 4
91; CHECK-NEXT:    [[L2:%.*]] = load float, float* [[P2]], align 4
92; CHECK-NEXT:    call void @foo() #[[ATTR2:[0-9]+]]
93; CHECK-NEXT:    [[L3:%.*]] = load float, float* [[P3]], align 4
94; CHECK-NEXT:    store float [[L0]], float* [[P0]], align 16
95; CHECK-NEXT:    call void @foo() #[[ATTR2]]
96; CHECK-NEXT:    store float [[L1]], float* [[P1]], align 4
97; CHECK-NEXT:    store float [[L2]], float* [[P2]], align 4
98; CHECK-NEXT:    store float [[L3]], float* [[P3]], align 4
99; CHECK-NEXT:    ret void
100;
101  %p0 = getelementptr float, float* %p, i64 0
102  %p1 = getelementptr float, float* %p, i64 1
103  %p2 = getelementptr float, float* %p, i64 2
104  %p3 = getelementptr float, float* %p, i64 3
105  %l0 = load float, float* %p0, align 16
106  %l1 = load float, float* %p1
107  %l2 = load float, float* %p2
108  call void @foo() inaccessiblememonly nounwind
109  %l3 = load float, float* %p3
110  store float %l0, float* %p0, align 16
111  call void @foo() inaccessiblememonly nounwind
112  store float %l1, float* %p1
113  store float %l2, float* %p2
114  store float %l3, float* %p3
115  ret void
116}
117
118define void @test_inaccessiblememonly_not_nounwind(float* %p) {
119; CHECK-LABEL: @test_inaccessiblememonly_not_nounwind(
120; CHECK-NEXT:    [[P0:%.*]] = getelementptr float, float* [[P:%.*]], i64 0
121; CHECK-NEXT:    [[P1:%.*]] = getelementptr float, float* [[P]], i64 1
122; CHECK-NEXT:    [[P2:%.*]] = getelementptr float, float* [[P]], i64 2
123; CHECK-NEXT:    [[P3:%.*]] = getelementptr float, float* [[P]], i64 3
124; CHECK-NEXT:    [[L0:%.*]] = load float, float* [[P0]], align 16
125; CHECK-NEXT:    [[L1:%.*]] = load float, float* [[P1]], align 4
126; CHECK-NEXT:    [[L2:%.*]] = load float, float* [[P2]], align 4
127; CHECK-NEXT:    call void @foo() #[[ATTR3:[0-9]+]]
128; CHECK-NEXT:    [[L3:%.*]] = load float, float* [[P3]], align 4
129; CHECK-NEXT:    store float [[L0]], float* [[P0]], align 16
130; CHECK-NEXT:    call void @foo() #[[ATTR3]]
131; CHECK-NEXT:    store float [[L1]], float* [[P1]], align 4
132; CHECK-NEXT:    store float [[L2]], float* [[P2]], align 4
133; CHECK-NEXT:    store float [[L3]], float* [[P3]], align 4
134; CHECK-NEXT:    ret void
135;
136  %p0 = getelementptr float, float* %p, i64 0
137  %p1 = getelementptr float, float* %p, i64 1
138  %p2 = getelementptr float, float* %p, i64 2
139  %p3 = getelementptr float, float* %p, i64 3
140  %l0 = load float, float* %p0, align 16
141  %l1 = load float, float* %p1
142  %l2 = load float, float* %p2
143  call void @foo() inaccessiblememonly willreturn
144  %l3 = load float, float* %p3
145  store float %l0, float* %p0, align 16
146  call void @foo() inaccessiblememonly willreturn
147  store float %l1, float* %p1
148  store float %l2, float* %p2
149  store float %l3, float* %p3
150  ret void
151}
152