xref: /llvm-project/llvm/test/Transforms/Attributor/phi_bug_pointer_info.ll (revision 29441e4f5fa5f5c7709f7cf180815ba97f611297)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-attributes --check-globals --version 2
2; RUN: opt -aa-pipeline=basic-aa -passes=attributor -debug-only=attributor -attributor-manifest-internal -attributor-annotate-decl-cs  -S < %s 2>&1 | FileCheck %s
3; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -debug-only=attributor -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s 2>&1 | FileCheck %s
4; REQUIRES: asserts
5
6
7@globalBytes = internal global [1024 x i8] zeroinitializer
8
9; CHECK: Accesses by bin after update:
10; CHECK: [8-12] : 2
11; CHECK:    - 9 -   store i32 %0, ptr %field2, align 4
12; CHECK:      - c:   %0 = load i32, ptr %val, align 4
13; CHECK:    - 6 -   %ret = load i32, ptr %x, align 4
14; CHECK:      - c: <unknown>
15; CHECK: [32-36] : 2
16; CHECK:    - 9 -   store i32 %1, ptr %field8, align 4
17; CHECK:      - c:   %1 = load i32, ptr %val2, align 4
18; CHECK:    - 6 -   %ret = load i32, ptr %x, align 4
19; CHECK:      - c: <unknown>
20;.
21; CHECK: @globalBytes = internal global [1024 x i8] zeroinitializer
22; CHECK: @globalBytes = internal global [1024 x i8] zeroinitializer
23; CHECK: @globalBytes = internal global [1024 x i8] zeroinitializer
24; CHECK: @globalBytes = internal global [1024 x i8] zeroinitializer
25; CHECK: @globalBytes = internal global [1024 x i8] zeroinitializer
26; CHECK: @globalBytes = internal global [1024 x i8] zeroinitializer
27; CHECK: @globalBytes = internal global [1024 x i8] zeroinitializer
28; CHECK: @globalBytes = internal global [1024 x i8] zeroinitializer
29; CHECK: @globalBytes = internal global [1024 x i8] zeroinitializer
30; CHECK: @globalBytes = internal global [1024 x i8] zeroinitializer
31; CHECK: @globalBytes = internal global [1024 x i8] zeroinitializer
32; CHECK: @globalBytes = internal global [1024 x i8] zeroinitializer
33; CHECK: @globalBytes = internal global [1024 x i8] zeroinitializer
34;.
35define dso_local i32 @phi_different_offsets(ptr nocapture %val, ptr nocapture %val2, i1 %cmp) {
36; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
37; CHECK-LABEL: define dso_local i32 @phi_different_offsets
38; CHECK-SAME: (ptr nofree readonly captures(none) [[VAL:%.*]], ptr nofree readonly captures(none) [[VAL2:%.*]], i1 noundef [[CMP:%.*]]) #[[ATTR0:[0-9]+]] {
39; CHECK-NEXT:  entry:
40; CHECK-NEXT:    br i1 [[CMP]], label [[THEN:%.*]], label [[ELSE:%.*]]
41; CHECK:       then:
42; CHECK-NEXT:    [[FIELD2:%.*]] = getelementptr i32, ptr @globalBytes, i32 2
43; CHECK-NEXT:    [[TMP0:%.*]] = load i32, ptr [[VAL]], align 4
44; CHECK-NEXT:    store i32 [[TMP0]], ptr [[FIELD2]], align 8
45; CHECK-NEXT:    br label [[END:%.*]]
46; CHECK:       else:
47; CHECK-NEXT:    [[FIELD8:%.*]] = getelementptr i32, ptr @globalBytes, i32 8
48; CHECK-NEXT:    [[TMP1:%.*]] = load i32, ptr [[VAL2]], align 4
49; CHECK-NEXT:    store i32 [[TMP1]], ptr [[FIELD8]], align 16
50; CHECK-NEXT:    br label [[END]]
51; CHECK:       end:
52; CHECK-NEXT:    [[X:%.*]] = phi ptr [ [[FIELD2]], [[THEN]] ], [ [[FIELD8]], [[ELSE]] ]
53; CHECK-NEXT:    [[RET:%.*]] = load i32, ptr [[X]], align 8
54; CHECK-NEXT:    ret i32 [[RET]]
55;
56entry:
57  br i1 %cmp, label %then, label %else
58
59then:
60  %field2 = getelementptr i32, ptr @globalBytes, i32 2
61  %1 = load i32, ptr %val
62  store i32 %1, ptr %field2
63  br label %end
64
65else:
66  %field8 = getelementptr i32, ptr @globalBytes, i32 8
67  %2 = load i32, ptr %val2
68  store i32 %2, ptr %field8
69  br label %end
70
71end:
72  %x = phi ptr [ %field2, %then ], [ %field8, %else ]
73  %ret = load i32, ptr %x
74  ret i32 %ret
75
76}
77;.
78; CHECK: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn }
79;.
80