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
74
75
76
77
78
79
80
81
82
|
; Test memory intrinsics instrumentation
; RUN: opt < %s -passes=asan -S | FileCheck --check-prefixes=CHECK,CHECK-PREFIX %s
; RUN: opt < %s -passes=asan -asan-kernel -S | FileCheck --check-prefixes=CHECK,CHECK-NOPREFIX %s
; RUN: opt < %s -passes=asan -asan-kernel -asan-kernel-mem-intrinsic-prefix -S | FileCheck --check-prefixes=CHECK,CHECK-PREFIX %s
; RUN: opt < %s -passes=asan -S -mtriple=s390x-unknown-linux | FileCheck --check-prefix=EXT %s
; RUN: opt < %s -passes=asan -S -mtriple=mips-linux-gnu | FileCheck --check-prefix=MIPS_EXT %s
; REQUIRES: x86-registered-target, systemz-registered-target, mips-registered-target
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 @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1) nounwind
declare void @llvm.memset.inline.p0.i64(ptr nocapture, i8, i64, i1) nounwind
declare void @llvm.memmove.p0.p0.i64(ptr nocapture, ptr nocapture readonly, i64, i1) nounwind
declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture readonly, i64, i1) nounwind
declare void @llvm.memcpy.inline.p0.p0.i64(ptr nocapture, ptr nocapture readonly, i64, i1) nounwind
define void @memintr_test(ptr %a, ptr %b) nounwind uwtable sanitize_address {
entry:
tail call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 100, i1 false)
tail call void @llvm.memmove.p0.p0.i64(ptr %a, ptr %b, i64 100, i1 false)
tail call void @llvm.memcpy.p0.p0.i64(ptr %a, ptr %b, i64 100, i1 false)
ret void
}
; CHECK-LABEL: memintr_test
; CHECK-PREFIX: @__asan_memset
; CHECK-PREFIX: @__asan_memmove
; CHECK-PREFIX: @__asan_memcpy
; CHECK-NOPREFIX: @memset
; CHECK-NOPREFIX: @memmove
; CHECK-NOPREFIX: @memcpy
; CHECK: ret void
define void @memintr_inline_test(ptr %a, ptr %b) nounwind uwtable sanitize_address {
entry:
tail call void @llvm.memset.inline.p0.i64(ptr %a, i8 0, i64 100, i1 false)
tail call void @llvm.memcpy.inline.p0.p0.i64(ptr %a, ptr %b, i64 100, i1 false)
ret void
}
; CHECK-LABEL: memintr_inline_test
; CHECK-PREFIX: @__asan_memset
; CHECK-PREFIX: @__asan_memcpy
; CHECK-NOPREFIX: @memset
; CHECK-NOPREFIX: @memcpy
; CHECK: ret void
define void @memintr_test_nosanitize(ptr %a, ptr %b) nounwind uwtable {
entry:
tail call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 100, i1 false)
tail call void @llvm.memmove.p0.p0.i64(ptr %a, ptr %b, i64 100, i1 false)
tail call void @llvm.memcpy.p0.p0.i64(ptr %a, ptr %b, i64 100, i1 false)
ret void
}
; CHECK-LABEL: memintr_test_nosanitize
; CHECK: @llvm.memset
; CHECK: @llvm.memmove
; CHECK: @llvm.memcpy
; CHECK: ret void
declare void @llvm.memset.element.unordered.atomic.p0.i64(ptr nocapture writeonly, i8, i64, i32) nounwind
declare void @llvm.memmove.element.unordered.atomic.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i32) nounwind
declare void @llvm.memcpy.element.unordered.atomic.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i32) nounwind
define void @memintr_element_atomic_test(ptr %a, ptr %b) nounwind uwtable sanitize_address {
; This is a canary test to make sure that these don't get lowered into calls that don't
; have the element-atomic property. Eventually, asan will have to be enhanced to lower
; these properly.
; CHECK-LABEL: memintr_element_atomic_test
; CHECK-NEXT: tail call void @llvm.memset.element.unordered.atomic.p0.i64(ptr align 1 %a, i8 0, i64 100, i32 1)
; CHECK-NEXT: tail call void @llvm.memmove.element.unordered.atomic.p0.p0.i64(ptr align 1 %a, ptr align 1 %b, i64 100, i32 1)
; CHECK-NEXT: tail call void @llvm.memcpy.element.unordered.atomic.p0.p0.i64(ptr align 1 %a, ptr align 1 %b, i64 100, i32 1)
; CHECK-NEXT: ret void
tail call void @llvm.memset.element.unordered.atomic.p0.i64(ptr align 1 %a, i8 0, i64 100, i32 1)
tail call void @llvm.memmove.element.unordered.atomic.p0.p0.i64(ptr align 1 %a, ptr align 1 %b, i64 100, i32 1)
tail call void @llvm.memcpy.element.unordered.atomic.p0.p0.i64(ptr align 1 %a, ptr align 1 %b, i64 100, i32 1)
ret void
}
; CHECK-PREFIX: declare ptr @__asan_memset(ptr, i32, i64)
; EXT: declare ptr @__asan_memset(ptr, i32 zeroext, i64)
; MIPS_EXT: declare ptr @__asan_memset(ptr, i32 signext, i64)
|