xref: /llvm-project/llvm/test/Transforms/Inline/inline-noalias-unidentify-object.ll (revision 92a3e1b5c9e7ddd1b981393eac391a3745eff9a8)
1; RUN: opt < %s -passes=inline -enable-noalias-to-md-conversion -S | FileCheck %s --match-full-lines
2
3define i32 @caller(ptr %p) {
4; CHECK-LABEL: define i32 @caller(ptr %p) {
5; CHECK-NEXT:    call void @llvm.experimental.noalias.scope.decl(metadata [[META0:![0-9]+]])
6; CHECK-NEXT:    [[P_8_I:%.*]] = getelementptr i8, ptr [[P:%.*]], i64 8
7; CHECK-NEXT:    [[V_I:%.*]] = load i32, ptr [[P_8_I]], align 4, !alias.scope !0
8; CHECK-NEXT:    [[P_1_I:%.*]] = getelementptr i8, ptr [[P]], i64 1
9; CHECK-NEXT:    [[P_2_I:%.*]] = getelementptr i8, ptr [[P_1_I]], i64 1
10; CHECK-NEXT:    [[P_3_I:%.*]] = getelementptr i8, ptr [[P_2_I]], i64 1
11; CHECK-NEXT:    [[P_4_I:%.*]] = getelementptr i8, ptr [[P_3_I]], i64 1
12; CHECK-NEXT:    [[P_5_I:%.*]] = getelementptr i8, ptr [[P_4_I]], i64 1
13; CHECK-NEXT:    [[P_6_I:%.*]] = getelementptr i8, ptr [[P_5_I]], i64 1
14; CHECK-NEXT:    [[P_7_I:%.*]] = getelementptr i8, ptr [[P_6_I]], i64 1
15; CHECK-NEXT:    [[P_8_ALIAS_I:%.*]] = getelementptr i8, ptr [[P_7_I]], i64 1
16; CHECK-NEXT:    store i32 42, ptr [[P_8_ALIAS_I]], align 4
17; CHECK-NEXT:    ret i32 [[V_I]]
18;
19  %v = call i32 @callee(ptr %p)
20  ret i32 %v
21}
22
23define internal i32 @callee(ptr noalias %p) {
24  %p.8 = getelementptr i8, ptr %p, i64 8
25  %v = load i32, ptr %p.8
26  %p.1 = getelementptr i8, ptr %p, i64 1
27  %p.2 = getelementptr i8, ptr %p.1, i64 1
28  %p.3 = getelementptr i8, ptr %p.2, i64 1
29  %p.4 = getelementptr i8, ptr %p.3, i64 1
30  %p.5 = getelementptr i8, ptr %p.4, i64 1
31  %p.6 = getelementptr i8, ptr %p.5, i64 1
32  %p.7 = getelementptr i8, ptr %p.6, i64 1
33  %p.8.alias = getelementptr i8, ptr %p.7, i64 1
34  store i32 42, ptr %p.8.alias
35  ret i32 %v
36}
37