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Issue 2211733002: Subzero: Improved quality of ASan error messages (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master
Patch Set: Replaced switch statements with table lookups Created 4 years, 4 months ago
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1 ; Test for insertion of redzones around local variables 1 ; Test for insertion of redzones around local variables
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 ; Function with local variables to be instrumented 8 ; Function with local variables to be instrumented
9 define internal void @func() { 9 define internal void @func() {
10 %local1 = alloca i8, i32 4, align 4 10 %local1 = alloca i8, i32 4, align 4
11 %local2 = alloca i8, i32 32, align 1 11 %local2 = alloca i8, i32 32, align 1
12 %local3 = alloca i8, i32 13, align 2 12 %local3 = alloca i8, i32 13, align 2
13 %local4 = alloca i8, i32 75, align 4 13 %local4 = alloca i8, i32 75, align 4
14 %local5 = alloca i8, i32 64, align 8 14 %local5 = alloca i8, i32 64, align 8
15 ret void 15 ret void
16 } 16 }
17 17
18 ; DUMP-LABEL: ================ Instrumented CFG ================ 18 ; DUMP-LABEL: ================ Instrumented CFG ================
19 ; DUMP-NEXT: define internal void @func() { 19 ; DUMP-NEXT: define internal void @func() {
20 ; DUMP-NEXT: __0: 20 ; DUMP-NEXT: __0:
21 ; DUMP-NEXT: %local1 = alloca i8, i32 64, align 8 21 ; DUMP-NEXT: %local1 = alloca i8, i32 64, align 8
22 ; DUMP-NEXT: %local2 = alloca i8, i32 64, align 8 22 ; DUMP-NEXT: %local2 = alloca i8, i32 64, align 8
23 ; DUMP-NEXT: %local3 = alloca i8, i32 64, align 8 23 ; DUMP-NEXT: %local3 = alloca i8, i32 64, align 8
24 ; DUMP-NEXT: %local4 = alloca i8, i32 128, align 8 24 ; DUMP-NEXT: %local4 = alloca i8, i32 128, align 8
25 ; DUMP-NEXT: %local5 = alloca i8, i32 96, align 8 25 ; DUMP-NEXT: %local5 = alloca i8, i32 96, align 8
26 ; DUMP-NEXT: %__$rz[[RZ0:[0-9]+]] = alloca i8, i32 32, align 8 26 ; DUMP-NEXT: %__$rz[[RZ0:[0-9]+]] = alloca i8, i32 32, align 8
27 ; DUMP-NEXT: call void @__asan_poison(i32 %__$rz[[RZ0]], i32 32) 27 ; DUMP-NEXT: call void @__asan_poison(i32 %__$rz[[RZ0]], i32 32, i32 -1)
28 ; DUMP-NEXT: %__$rz[[RZ1:[0-9]+]] = add i32 %local1, 4 28 ; DUMP-NEXT: %__$rz[[RZ1:[0-9]+]] = add i32 %local1, 4
29 ; DUMP-NEXT: call void @__asan_poison(i32 %__$rz[[RZ1]], i32 60) 29 ; DUMP-NEXT: call void @__asan_poison(i32 %__$rz[[RZ1]], i32 60, i32 -1)
30 ; DUMP-NEXT: %__$rz[[RZ2:[0-9]+]] = add i32 %local2, 32 30 ; DUMP-NEXT: %__$rz[[RZ2:[0-9]+]] = add i32 %local2, 32
31 ; DUMP-NEXT: call void @__asan_poison(i32 %__$rz[[RZ2]], i32 32) 31 ; DUMP-NEXT: call void @__asan_poison(i32 %__$rz[[RZ2]], i32 32, i32 -1)
32 ; DUMP-NEXT: %__$rz[[RZ3:[0-9]+]] = add i32 %local3, 13 32 ; DUMP-NEXT: %__$rz[[RZ3:[0-9]+]] = add i32 %local3, 13
33 ; DUMP-NEXT: call void @__asan_poison(i32 %__$rz[[RZ3]], i32 51) 33 ; DUMP-NEXT: call void @__asan_poison(i32 %__$rz[[RZ3]], i32 51, i32 -1)
34 ; DUMP-NEXT: %__$rz[[RZ4:[0-9]+]] = add i32 %local4, 75 34 ; DUMP-NEXT: %__$rz[[RZ4:[0-9]+]] = add i32 %local4, 75
35 ; DUMP-NEXT: call void @__asan_poison(i32 %__$rz[[RZ4]], i32 53) 35 ; DUMP-NEXT: call void @__asan_poison(i32 %__$rz[[RZ4]], i32 53, i32 -1)
36 ; DUMP-NEXT: %__$rz[[RZ5:[0-9]+]] = add i32 %local5, 64 36 ; DUMP-NEXT: %__$rz[[RZ5:[0-9]+]] = add i32 %local5, 64
37 ; DUMP-NEXT: call void @__asan_poison(i32 %__$rz[[RZ5]], i32 32) 37 ; DUMP-NEXT: call void @__asan_poison(i32 %__$rz[[RZ5]], i32 32, i32 -1)
38 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz[[RZ1]], i32 60) 38 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz[[RZ1]], i32 60)
39 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz[[RZ2]], i32 32) 39 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz[[RZ2]], i32 32)
40 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz[[RZ3]], i32 51) 40 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz[[RZ3]], i32 51)
41 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz[[RZ4]], i32 53) 41 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz[[RZ4]], i32 53)
42 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz[[RZ5]], i32 32) 42 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz[[RZ5]], i32 32)
43 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz[[RZ0]], i32 32) 43 ; DUMP-NEXT: call void @__asan_unpoison(i32 %__$rz[[RZ0]], i32 32)
44 ; DUMP-NEXT: ret void 44 ; DUMP-NEXT: ret void
45 ; DUMP-NEXT: } 45 ; DUMP-NEXT: }
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