1; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck  \
2; RUN: %s "--check-prefixes=CHECK,INLINE"
3; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s --check-prefixes=CHECK,INLINE
4; RUN: opt < %s -msan-check-access-address=0 -msan-poison-stack-with-call=1 -S \
5; RUN: -passes=msan 2>&1 | FileCheck %s "--check-prefixes=CHECK,CALL"
6; RUN: opt < %s -msan -msan-check-access-address=0 -msan-poison-stack-with-call=1 -S | FileCheck %s --check-prefixes=CHECK,CALL
7; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=1 -S          \
8; RUN: -passes=msan 2>&1 | FileCheck %s "--check-prefixes=CHECK,ORIGIN"
9; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=1 -S | FileCheck %s --check-prefixes=CHECK,ORIGIN
10; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=2 -S          \
11; RUN: -passes=msan 2>&1 | FileCheck %s "--check-prefixes=CHECK,ORIGIN"
12; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=2 -S | FileCheck %s --check-prefixes=CHECK,ORIGIN
13; RUN: opt < %s -msan-kernel=1 -S -passes=msan 2>&1 | FileCheck %s             \
14; RUN: "--check-prefixes=CHECK,KMSAN"
15; RUN: opt < %s -msan -msan-kernel=1 -S | FileCheck %s --check-prefixes=CHECK,KMSAN
16
17target 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-S128"
18target triple = "x86_64-unknown-linux-gnu"
19
20define void @static() sanitize_memory {
21entry:
22  %x = alloca i32, align 4
23  ret void
24}
25
26; CHECK-LABEL: define void @static(
27; INLINE: call void @llvm.memset.p0i8.i64(i8* align 4 {{.*}}, i8 -1, i64 4, i1 false)
28; CALL: call void @__msan_poison_stack(i8* {{.*}}, i64 4)
29; ORIGIN: call void @__msan_set_alloca_origin4(i8* {{.*}}, i64 4,
30; KMSAN: call void @__msan_poison_alloca(i8* {{.*}}, i64 4,
31; CHECK: ret void
32
33
34define void @dynamic() sanitize_memory {
35entry:
36  br label %l
37l:
38  %x = alloca i32, align 4
39  ret void
40}
41
42; CHECK-LABEL: define void @dynamic(
43; INLINE: call void @llvm.memset.p0i8.i64(i8* align 4 {{.*}}, i8 -1, i64 4, i1 false)
44; CALL: call void @__msan_poison_stack(i8* {{.*}}, i64 4)
45; ORIGIN: call void @__msan_set_alloca_origin4(i8* {{.*}}, i64 4,
46; KMSAN: call void @__msan_poison_alloca(i8* {{.*}}, i64 4,
47; CHECK: ret void
48
49define void @array() sanitize_memory {
50entry:
51  %x = alloca i32, i64 5, align 4
52  ret void
53}
54
55; CHECK-LABEL: define void @array(
56; INLINE: call void @llvm.memset.p0i8.i64(i8* align 4 {{.*}}, i8 -1, i64 20, i1 false)
57; CALL: call void @__msan_poison_stack(i8* {{.*}}, i64 20)
58; ORIGIN: call void @__msan_set_alloca_origin4(i8* {{.*}}, i64 20,
59; KMSAN: call void @__msan_poison_alloca(i8* {{.*}}, i64 20,
60; CHECK: ret void
61
62define void @array_non_const(i64 %cnt) sanitize_memory {
63entry:
64  %x = alloca i32, i64 %cnt, align 4
65  ret void
66}
67
68; CHECK-LABEL: define void @array_non_const(
69; CHECK: %[[A:.*]] = mul i64 4, %cnt
70; INLINE: call void @llvm.memset.p0i8.i64(i8* align 4 {{.*}}, i8 -1, i64 %[[A]], i1 false)
71; CALL: call void @__msan_poison_stack(i8* {{.*}}, i64 %[[A]])
72; ORIGIN: call void @__msan_set_alloca_origin4(i8* {{.*}}, i64 %[[A]],
73; KMSAN: call void @__msan_poison_alloca(i8* {{.*}}, i64 %[[A]],
74; CHECK: ret void
75
76; Check that the local is unpoisoned in the absence of sanitize_memory
77define void @unpoison_local() {
78entry:
79  %x = alloca i32, i64 5, align 4
80  ret void
81}
82
83; CHECK-LABEL: define void @unpoison_local(
84; INLINE: call void @llvm.memset.p0i8.i64(i8* align 4 {{.*}}, i8 0, i64 20, i1 false)
85; CALL: call void @llvm.memset.p0i8.i64(i8* align 4 {{.*}}, i8 0, i64 20, i1 false)
86; ORIGIN-NOT: call void @__msan_set_alloca_origin4(i8* {{.*}}, i64 20,
87; KMSAN: call void @__msan_unpoison_alloca(i8* {{.*}}, i64 20)
88; CHECK: ret void
89
90