blob: 5d5c592c3f4d7cdfc5d2b126f25a6e2a8b65a0c5 (
plain)
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
|
; RUN: opt < %s -asan -asan-module -S | FileCheck %s
; AddressSanitizer must insert __asan_handle_no_return
; before every noreturn call or invoke.
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-unknown-linux-gnu"
declare void @MyNoReturnFunc(i32) noreturn
define i32 @Call1(i8* nocapture %arg) uwtable sanitize_address {
entry:
call void @MyNoReturnFunc(i32 1) noreturn ; The call insn has noreturn attr.
; CHECK: @Call1
; CHECK: call void @__asan_handle_no_return
; CHECK-NEXT: call void @MyNoReturnFunc
; CHECK-NEXT: unreachable
unreachable
}
define i32 @Call2(i8* nocapture %arg) uwtable sanitize_address {
entry:
call void @MyNoReturnFunc(i32 1) ; No noreturn attribure on the call.
; CHECK: @Call2
; CHECK: call void @__asan_handle_no_return
; CHECK-NEXT: call void @MyNoReturnFunc
; CHECK-NEXT: unreachable
unreachable
}
declare i32 @__gxx_personality_v0(...)
define i64 @Invoke1(i8** %esc) nounwind uwtable ssp sanitize_address {
entry:
invoke void @MyNoReturnFunc(i32 1)
to label %invoke.cont unwind label %lpad
invoke.cont:
ret i64 0
lpad:
%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
filter [0 x i8*] zeroinitializer
ret i64 1
}
; CHECK: @Invoke1
; CHECK: call void @__asan_handle_no_return
; CHECK-NEXT: invoke void @MyNoReturnFunc
; CHECK: ret i64 0
; CHECK: ret i64 1
|
