| Evgeniy Stepanov | 50635da | 2018-03-29 21:18:17 +0000 | [diff] [blame] | 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 | |
| 9 | target triple = "x86_64-unknown-linux-gnu" |
| 10 | |
| 11 | define i32 @read_value(i32* %a) sanitize_memory { |
| 12 | entry: |
| 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 |