1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
; RUN: opt < %s -O0 -S | FileCheck %s --check-prefixes=CHECK,NOOPT
; RUN: opt < %s -O1 -S | FileCheck %s --check-prefixes=CHECK,OPT
; RUN: opt < %s -O2 -S | FileCheck %s --check-prefixes=CHECK,OPT
; RUN: opt < %s -O3 -S | FileCheck %s --check-prefixes=CHECK,OPT
; RUN: opt < %s -passes='default<O0>' -S | FileCheck %s --check-prefixes=CHECK,NOOPT
; RUN: opt < %s -passes='default<O1>' -S | FileCheck %s --check-prefixes=CHECK,OPT
; RUN: opt < %s -passes='default<O2>' -S | FileCheck %s --check-prefixes=CHECK,OPT
; RUN: opt < %s -passes='default<O3>' -S | FileCheck %s --check-prefixes=CHECK,OPT
declare void @llvm.lifetime.start.p0(i64, ptr nocapture)
declare void @llvm.lifetime.end.p0(i64, ptr nocapture)
declare void @foo(ptr nocapture)
define void @asan() sanitize_address {
entry:
; CHECK-LABEL: @asan(
%text = alloca i8, align 1
call void @llvm.lifetime.start.p0(i64 1, ptr %text)
call void @llvm.lifetime.end.p0(i64 1, ptr %text)
; CHECK: call void @llvm.lifetime.start
; CHECK-NEXT: call void @llvm.lifetime.end
call void @foo(ptr %text) ; Keep alloca alive
ret void
}
define void @hwasan() sanitize_hwaddress {
entry:
; CHECK-LABEL: @hwasan(
%text = alloca i8, align 1
call void @llvm.lifetime.start.p0(i64 1, ptr %text)
call void @llvm.lifetime.end.p0(i64 1, ptr %text)
; CHECK: call void @llvm.lifetime.start
; CHECK-NEXT: call void @llvm.lifetime.end
call void @foo(ptr %text) ; Keep alloca alive
ret void
}
define void @msan() sanitize_memory {
entry:
; CHECK-LABEL: @msan(
%text = alloca i8, align 1
call void @llvm.lifetime.start.p0(i64 1, ptr %text)
call void @llvm.lifetime.end.p0(i64 1, ptr %text)
; CHECK: call void @llvm.lifetime.start
; CHECK-NEXT: call void @llvm.lifetime.end
call void @foo(ptr %text) ; Keep alloca alive
ret void
}
define void @no_asan() {
entry:
; CHECK-LABEL: @no_asan(
%text = alloca i8, align 1
call void @llvm.lifetime.start.p0(i64 1, ptr %text)
call void @llvm.lifetime.end.p0(i64 1, ptr %text)
; OPT-NOT: call void @llvm.lifetime
; NOOPT: call void @llvm.lifetime.start
; NOOPT-NEXT: call void @llvm.lifetime.end
call void @foo(ptr %text) ; Keep alloca alive
ret void
}
|
