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1 ; Check that functions with multiple returns are correctly instrumented | 1 ; Check that functions with multiple returns are correctly instrumented |
2 | 2 |
3 ; REQUIRES: allow_dump | 3 ; REQUIRES: allow_dump |
4 | 4 |
5 ; RUN: %p2i -i %s --args -verbose=inst -threads=0 -fsanitize-address \ | 5 ; RUN: %p2i -i %s --args -verbose=inst -threads=0 -fsanitize-address \ |
6 ; RUN: | FileCheck --check-prefix=DUMP %s | 6 ; RUN: | FileCheck --check-prefix=DUMP %s |
7 | 7 |
8 define internal void @ret_twice(i32 %condarg) { | 8 define internal void @ret_twice(i32 %condarg) { |
9 %local1 = alloca i8, i32 4, align 4 | 9 %local1 = alloca i8, i32 4, align 4 |
10 %local2 = alloca i8, i32 4, align 4 | 10 %local2 = alloca i8, i32 4, align 4 |
11 %cond = icmp ne i32 %condarg, 0 | 11 %cond = icmp ne i32 %condarg, 0 |
12 br i1 %cond, label %yes, label %no | 12 br i1 %cond, label %yes, label %no |
13 yes: | 13 yes: |
14 ret void | 14 ret void |
15 no: | 15 no: |
16 ret void | 16 ret void |
17 } | 17 } |
18 | 18 |
19 ; DUMP-LABEL: ================ Instrumented CFG ================ | 19 ; DUMP-LABEL: ================ Instrumented CFG ================ |
20 ; DUMP-NEXT: define internal void @ret_twice(i32 %condarg) { | 20 ; DUMP-NEXT: define internal void @ret_twice(i32 %condarg) { |
21 ; DUMP-NEXT: __0: | 21 ; DUMP-NEXT: __0: |
22 ; DUMP-NEXT: %local1 = alloca i8, i32 64, align 8 | 22 ; DUMP-NEXT: %local1 = alloca i8, i32 64, align 8 |
23 ; DUMP-NEXT: %local2 = alloca i8, i32 64, align 8 | 23 ; DUMP-NEXT: %local2 = alloca i8, i32 64, align 8 |
24 ; DUMP-NEXT: %__$rz2 = alloca i8, i32 32, align 8 | 24 ; DUMP-NEXT: %__$rz2 = alloca i8, i32 32, align 8 |
25 ; DUMP-NEXT: call void @__asan_poison(i32 %__$rz2, i32 32) | 25 ; DUMP-NEXT: call void @__asan_poison(i32 %__$rz2, i32 32, i32 -1) |
26 ; DUMP-NEXT: %__$rz0 = add i32 %local1, 4 | 26 ; DUMP-NEXT: %__$rz0 = add i32 %local1, 4 |
27 ; DUMP-NEXT: call void @__asan_poison(i32 %__$rz0, i32 60) | 27 ; DUMP-NEXT: call void @__asan_poison(i32 %__$rz0, i32 60, i32 -1) |
28 ; DUMP-NEXT: %__$rz1 = add i32 %local2, 4 | 28 ; DUMP-NEXT: %__$rz1 = add i32 %local2, 4 |
29 ; DUMP-NEXT: call void @__asan_poison(i32 %__$rz1, i32 60) | 29 ; DUMP-NEXT: call void @__asan_poison(i32 %__$rz1, i32 60, i32 -1) |
30 ; DUMP-NEXT: %cond = icmp ne i32 %condarg, 0 | 30 ; DUMP-NEXT: %cond = icmp ne i32 %condarg, 0 |
31 ; DUMP-NEXT: br i1 %cond, label %yes, label %no | 31 ; DUMP-NEXT: br i1 %cond, label %yes, label %no |
32 ; DUMP-NEXT: yes: | 32 ; DUMP-NEXT: yes: |
33 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz0, i32 60) | 33 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz0, i32 60) |
34 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz1, i32 60) | 34 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz1, i32 60) |
35 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz2, i32 32) | 35 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz2, i32 32) |
36 ; DUMP-NEXT: ret void | 36 ; DUMP-NEXT: ret void |
37 ; DUMP-NEXT: no: | 37 ; DUMP-NEXT: no: |
38 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz0, i32 60) | 38 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz0, i32 60) |
39 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz1, i32 60) | 39 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz1, i32 60) |
40 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz2, i32 32) | 40 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz2, i32 32) |
41 ; DUMP-NEXT: ret void | 41 ; DUMP-NEXT: ret void |
42 ; DUMP-NEXT: } | 42 ; DUMP-NEXT: } |
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