xref: /llvm-project/llvm/test/Transforms/InstCombine/noalias-scope-decl.ll (revision 4ab40eca080965c65802710e39adbb78c4ce7bde) 
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -passes=instcombine -S < %s | FileCheck %s
3
4define void @test01(ptr %ptr0, ptr %ptr1) {
5; CHECK-LABEL: @test01(
6; CHECK-NEXT:    store i8 42, ptr [[PTR0:%.*]], align 1
7; CHECK-NEXT:    store i8 43, ptr [[PTR1:%.*]], align 1
8; CHECK-NEXT:    ret void
9;
10  call void @llvm.experimental.noalias.scope.decl(metadata !0)
11  store i8 42, ptr %ptr0
12  store i8 43, ptr %ptr1
13  ret void
14}
15
16define void @test02_keep(ptr %ptr0, ptr %ptr1) {
17; CHECK-LABEL: @test02_keep(
18; CHECK-NEXT:    call void @llvm.experimental.noalias.scope.decl(metadata !0)
19; CHECK-NEXT:    store i8 42, ptr [[PTR0:%.*]], align 1, !alias.scope !0
20; CHECK-NEXT:    store i8 43, ptr [[PTR1:%.*]], align 1, !noalias !3
21; CHECK-NEXT:    ret void
22;
23  call void @llvm.experimental.noalias.scope.decl(metadata !0)
24  store i8 42, ptr %ptr0, !alias.scope !0
25  store i8 43, ptr %ptr1, !noalias !5
26  ret void
27}
28
29define void @test03(ptr %ptr0, ptr %ptr1) {
30; CHECK-LABEL: @test03(
31; CHECK-NEXT:    store i8 42, ptr [[PTR0:%.*]], align 1, !alias.scope !5
32; CHECK-NEXT:    store i8 43, ptr [[PTR1:%.*]], align 1, !noalias !3
33; CHECK-NEXT:    ret void
34;
35  call void @llvm.experimental.noalias.scope.decl(metadata !0)
36  store i8 42, ptr %ptr0, !alias.scope !3
37  store i8 43, ptr %ptr1, !noalias !5
38  ret void
39}
40
41define void @test04_keep(ptr %ptr0, ptr %ptr1) {
42; CHECK-LABEL: @test04_keep(
43; CHECK-NEXT:    call void @llvm.experimental.noalias.scope.decl(metadata !0)
44; CHECK-NEXT:    store i8 42, ptr [[PTR0:%.*]], align 1, !alias.scope !3
45; CHECK-NEXT:    store i8 43, ptr [[PTR1:%.*]], align 1, !noalias !3
46; CHECK-NEXT:    ret void
47;
48  call void @llvm.experimental.noalias.scope.decl(metadata !0)
49  store i8 42, ptr %ptr0, !alias.scope !5
50  store i8 43, ptr %ptr1, !noalias !5
51  ret void
52}
53
54define void @test05_keep(ptr %ptr0, ptr %ptr1) {
55; CHECK-LABEL: @test05_keep(
56; CHECK-NEXT:    call void @llvm.experimental.noalias.scope.decl(metadata !0)
57; CHECK-NEXT:    store i8 42, ptr [[PTR0:%.*]], align 1, !alias.scope !3
58; CHECK-NEXT:    store i8 43, ptr [[PTR1:%.*]], align 1, !noalias !0
59; CHECK-NEXT:    ret void
60;
61  call void @llvm.experimental.noalias.scope.decl(metadata !0)
62  store i8 42, ptr %ptr0, !alias.scope !5
63  store i8 43, ptr %ptr1, !noalias !0
64  ret void
65}
66
67define void @test06(ptr %ptr0, ptr %ptr1) {
68; CHECK-LABEL: @test06(
69; CHECK-NEXT:    store i8 42, ptr [[PTR0:%.*]], align 1, !alias.scope !3
70; CHECK-NEXT:    store i8 43, ptr [[PTR1:%.*]], align 1, !noalias !5
71; CHECK-NEXT:    ret void
72;
73  call void @llvm.experimental.noalias.scope.decl(metadata !0)
74  store i8 42, ptr %ptr0, !alias.scope !5
75  store i8 43, ptr %ptr1, !noalias !3
76  ret void
77}
78
79define void @test07(ptr %ptr0, ptr %ptr1) {
80; CHECK-LABEL: @test07(
81; CHECK-NEXT:    store i8 42, ptr [[PTR0:%.*]], align 1, !alias.scope !0
82; CHECK-NEXT:    store i8 43, ptr [[PTR1:%.*]], align 1, !noalias !5
83; CHECK-NEXT:    ret void
84;
85  call void @llvm.experimental.noalias.scope.decl(metadata !0)
86  store i8 42, ptr %ptr0, !alias.scope !0
87  store i8 43, ptr %ptr1, !noalias !3
88  ret void
89}
90
91define void @test08(ptr %ptr0, ptr %ptr1) {
92; CHECK-LABEL: @test08(
93; CHECK-NEXT:    store i8 42, ptr [[PTR0:%.*]], align 1, !alias.scope !5
94; CHECK-NEXT:    store i8 43, ptr [[PTR1:%.*]], align 1, !noalias !0
95; CHECK-NEXT:    ret void
96;
97  call void @llvm.experimental.noalias.scope.decl(metadata !0)
98  store i8 42, ptr %ptr0, !alias.scope !3
99  store i8 43, ptr %ptr1, !noalias !0
100  ret void
101}
102
103define void @test11(ptr %ptr0) {
104; CHECK-LABEL: @test11(
105; CHECK-NEXT:    store i8 42, ptr [[PTR0:%.*]], align 1, !alias.scope !0
106; CHECK-NEXT:    ret void
107;
108  call void @llvm.experimental.noalias.scope.decl(metadata !0)
109  store i8 42, ptr %ptr0, !alias.scope !0
110  ret void
111}
112
113define void @test12(ptr %ptr0) {
114; CHECK-LABEL: @test12(
115; CHECK-NEXT:    store i8 42, ptr [[PTR0:%.*]], align 1, !alias.scope !5
116; CHECK-NEXT:    ret void
117;
118  call void @llvm.experimental.noalias.scope.decl(metadata !0)
119  store i8 42, ptr %ptr0, !alias.scope !3
120  ret void
121}
122
123define void @test13(ptr %ptr0) {
124; CHECK-LABEL: @test13(
125; CHECK-NEXT:    store i8 42, ptr [[PTR0:%.*]], align 1, !alias.scope !3
126; CHECK-NEXT:    ret void
127;
128  call void @llvm.experimental.noalias.scope.decl(metadata !0)
129  store i8 42, ptr %ptr0, !alias.scope !5
130  ret void
131}
132
133define void @test14(ptr %ptr0) {
134; CHECK-LABEL: @test14(
135; CHECK-NEXT:    store i8 42, ptr [[PTR0:%.*]], align 1, !noalias !0
136; CHECK-NEXT:    ret void
137;
138  call void @llvm.experimental.noalias.scope.decl(metadata !0)
139  store i8 42, ptr %ptr0, !noalias !0
140  ret void
141}
142
143define void @test15(ptr %ptr0) {
144; CHECK-LABEL: @test15(
145; CHECK-NEXT:    store i8 42, ptr [[PTR0:%.*]], align 1, !noalias !5
146; CHECK-NEXT:    ret void
147;
148  call void @llvm.experimental.noalias.scope.decl(metadata !0)
149  store i8 42, ptr %ptr0, !noalias !3
150  ret void
151}
152
153define void @test16(ptr %ptr0) {
154; CHECK-LABEL: @test16(
155; CHECK-NEXT:    store i8 42, ptr [[PTR0:%.*]], align 1, !noalias !3
156; CHECK-NEXT:    ret void
157;
158  call void @llvm.experimental.noalias.scope.decl(metadata !0)
159  store i8 42, ptr %ptr0, !noalias !5
160  ret void
161}
162
163declare void @llvm.experimental.noalias.scope.decl(metadata)
164
165!0 = !{ !1 }
166!1 = distinct !{ !1, !2 }
167!2 = distinct !{ !2 }
168!3 = !{ !4 }
169!4 = distinct !{ !4, !2 }
170!5 = !{ !1, !4 }
171