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
|
; RUN: opt < %s -passes='asan-pipeline' -S | FileCheck %s
target datalayout = "e-p:64:64-p1:64:64-p2:32:32-p3:32:32-p4:64:64-p5:32:32-p6:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64-S32-A5-G1-ni:7"
target triple = "amdgcn-amd-amdhsa"
define protected amdgpu_kernel void @generic_store(i32 addrspace(1)* %p, i32 %i) sanitize_address {
entry:
; CHECK-LABEL: @generic_store
; CHECK-NOT: store
; CHECK: %[[GENERIC_ADDR:[^ ]*]] = bitcast i32* %q to i8*
; CHECK: call i1 @llvm.amdgcn.is.shared(i8* %[[GENERIC_ADDR]])
; CHECK: call i1 @llvm.amdgcn.is.private(i8* %[[GENERIC_ADDR]])
; CHECK: or
; CHECK: icmp ne i1
; CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}
;
; CHECK: %[[STORE_ADDR:[^ ]*]] = ptrtoint i32* %q to i64
; CHECK: lshr i64 %[[STORE_ADDR]], 3
; CHECK: add i64 %{{.*}}, 2147450880
; CHECK: %[[STORE_SHADOW_PTR:[^ ]*]] = inttoptr
; CHECK: %[[STORE_SHADOW:[^ ]*]] = load i8, i8* %[[STORE_SHADOW_PTR]]
; CHECK: icmp ne i8
; CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}
;
; CHECK: add i64 %{{.*}}, 3
; CHECK: trunc i64 %{{.*}} to i8
; CHECK: icmp sge i8 %{{.*}}, %[[STORE_SHADOW]]
; CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}
;
; The crash block reports the error.
; CHECK: call void @__asan_report_store4(i64 %[[STORE_ADDR]])
; CHECK: unreachable
;
; The actual store.
; CHECK: store i32 0, i32* %q
; CHECK: ret void
%q = addrspacecast i32 addrspace(1)* %p to i32*
store i32 0, i32* %q, align 4
ret void
}
define protected amdgpu_kernel void @generic_load(i32 addrspace(1)* %p, i32 %i) sanitize_address {
entry:
; CHECK-LABEL: @generic_load
; CHECK-NOT: load
; CHECK: %[[GENERIC_ADDR:[^ ]*]] = bitcast i32* %q to i8*
; CHECK: call i1 @llvm.amdgcn.is.shared(i8* %[[GENERIC_ADDR]])
; CHECK: call i1 @llvm.amdgcn.is.private(i8* %[[GENERIC_ADDR]])
; CHECK: or
; CHECK: icmp ne i1
; CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}
;
; CHECK: %[[STORE_ADDR:[^ ]*]] = ptrtoint i32* %q to i64
; CHECK: lshr i64 %[[STORE_ADDR]], 3
; CHECK: add i64 %{{.*}}, 2147450880
; CHECK: %[[STORE_SHADOW_PTR:[^ ]*]] = inttoptr
; CHECK: %[[STORE_SHADOW:[^ ]*]] = load i8, i8* %[[STORE_SHADOW_PTR]]
; CHECK: icmp ne i8
; CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}
;
; CHECK: add i64 %{{.*}}, 3
; CHECK: trunc i64 %{{.*}} to i8
; CHECK: icmp sge i8 %{{.*}}, %[[STORE_SHADOW]]
; CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}
;
; The crash block reports the error.
; CHECK: call void @__asan_report_load4(i64 %[[STORE_ADDR]])
; CHECK: unreachable
;
; The actual store.
; CHECK: load i32, i32* %q
; CHECK: ret void
%q = addrspacecast i32 addrspace(1)* %p to i32*
%r = load i32, i32* %q, align 4
ret void
}
|
