1; Test that the msan layout customization options work as expected
2;
3; RUN: opt < %s -msan -msan-shadow-base 3735928559 -S | FileCheck --check-prefix=CHECK-BASE %s
4; RUN: opt < %s -msan -msan-shadow-base 3735928559 -msan-and-mask 4294901760 -S | FileCheck --check-prefix=CHECK-AND %s
5; RUN: opt < %s -msan -msan-shadow-base 3735928559 -msan-xor-mask 48879 -S | FileCheck --check-prefix=CHECK-XOR %s
6; RUN: opt < %s -msan -msan-shadow-base 3735928559 -msan-xor-mask 48879 -msan-and-mask 4294901760 -S | FileCheck --check-prefix=CHECK-XOR-AND %s
7; RUN: opt < %s -msan -msan-track-origins 1 -msan-origin-base 1777777 -S | FileCheck --check-prefix=CHECK-ORIGIN-BASE %s
8
9target triple = "x86_64-unknown-linux-gnu"
10
11define i32 @read_value(i32* %a) sanitize_memory {
12entry:
13  %tmp1 = load i32, i32* %a, align 4
14  ret i32 %tmp1
15}
16; CHECK-BASE-LABEL: @read_value
17; CHECK-BASE-NOT: ret i32
18; CHECK-BASE: add{{.*}}3735928559
19; CHECK-BASE: ret i32
20
21; CHECK-AND-LABEL: @read_value
22; CHECK-AND-NOT: ret i32
23; CHECK-AND: and{{.*}}-4294901761
24; CHECK-AND-NEXT: add{{.*}}3735928559
25; CHECK-AND: ret i32
26
27; CHECK-XOR-LABEL: @read_value
28; CHECK-XOR-NOT: ret i32
29; CHECK-XOR: xor{{.*}}48879
30; CHECK-XOR-NEXT: add{{.*}}3735928559
31; CHECK-XOR: ret i32
32
33; CHECK-XOR-AND-LABEL: @read_value
34; CHECK-XOR-AND-NOT: ret i32
35; CHECK-XOR-AND: and{{.*}}-4294901761
36; CHECK-XOR-AND-NEXT: xor{{.*}}48879
37; CHECK-XOR-AND-NEXT: add{{.*}}3735928559
38; CHECK-XOR-AND: ret i32
39
40; CHECK-ORIGIN-BASE-LABEL: @read_value
41; CHECK-ORIGIN-BASE-NOT: ret i32
42; CHECK-ORIGIN-BASE: add{{.*}}1777777
43; CHECK-ORIGIN-BASE: ret i32
44