test64.ll
1.65 KB
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
; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -S | FileCheck --check-prefixes=CHECK,CHECK-S3 %s
; RUN: opt < %s -passes='asan-pipeline' -S | FileCheck --check-prefixes=CHECK,CHECK-S3 %s
; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-mapping-scale=5 -S | FileCheck --check-prefixes=CHECK,CHECK-S5 %s
; RUN: opt < %s -passes='asan-pipeline' -asan-mapping-scale=5 -S | FileCheck --check-prefixes=CHECK,CHECK-S5 %s
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"
define i32 @read_4_bytes(i32* %a) sanitize_address {
entry:
%tmp1 = load i32, i32* %a, align 4
ret i32 %tmp1
}
; CHECK-LABEL: @read_4_bytes
; CHECK-NOT: ret
; CHECK-S3: lshr {{.*}} 3
; CHECK-S5: lshr {{.*}} 5
; Check for ASAN's Offset for 64-bit (7fff8000|7ffe0000)
; CHECK-S3-NEXT: add{{.*}}2147450880
; CHECK-S5-NEXT: add{{.*}}2147352576
; CHECK: ret
define void @example_atomicrmw(i64* %ptr) nounwind uwtable sanitize_address {
entry:
%0 = atomicrmw add i64* %ptr, i64 1 seq_cst
ret void
}
; CHECK-LABEL: @example_atomicrmw
; CHECK-S3: lshr {{.*}} 3
; CHECK-S5: lshr {{.*}} 5
; CHECK: __asan_report_store8
; CHECK-NOT: __asan_report
; CHECK: atomicrmw
; CHECK: ret
define void @example_cmpxchg(i64* %ptr, i64 %compare_to, i64 %new_value) nounwind uwtable sanitize_address {
entry:
%0 = cmpxchg i64* %ptr, i64 %compare_to, i64 %new_value seq_cst seq_cst
ret void
}
; CHECK-LABEL: @example_cmpxchg
; CHECK-S3: lshr {{.*}} 3
; CHECK-S5: lshr {{.*}} 5
; CHECK: __asan_report_store8
; CHECK-NOT: __asan_report
; CHECK: cmpxchg
; CHECK: ret