| ; Test that the msan layout customization options work as expected |
| ; |
| ; RUN: opt < %s -msan -msan-shadow-base 3735928559 -S | FileCheck --check-prefix=CHECK-BASE %s |
| ; RUN: opt < %s -msan -msan-shadow-base 3735928559 -msan-and-mask 4294901760 -S | FileCheck --check-prefix=CHECK-AND %s |
| ; RUN: opt < %s -msan -msan-shadow-base 3735928559 -msan-xor-mask 48879 -S | FileCheck --check-prefix=CHECK-XOR %s |
| ; RUN: opt < %s -msan -msan-shadow-base 3735928559 -msan-xor-mask 48879 -msan-and-mask 4294901760 -S | FileCheck --check-prefix=CHECK-XOR-AND %s |
| ; RUN: opt < %s -msan -msan-track-origins 1 -msan-origin-base 1777777 -S | FileCheck --check-prefix=CHECK-ORIGIN-BASE %s |
| |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define i32 @read_value(i32* %a) sanitize_memory { |
| entry: |
| %tmp1 = load i32, i32* %a, align 4 |
| ret i32 %tmp1 |
| } |
| ; CHECK-BASE-LABEL: @read_value |
| ; CHECK-BASE-NOT: ret i32 |
| ; CHECK-BASE: add{{.*}}3735928559 |
| ; CHECK-BASE: ret i32 |
| |
| ; CHECK-AND-LABEL: @read_value |
| ; CHECK-AND-NOT: ret i32 |
| ; CHECK-AND: and{{.*}}-4294901761 |
| ; CHECK-AND-NEXT: add{{.*}}3735928559 |
| ; CHECK-AND: ret i32 |
| |
| ; CHECK-XOR-LABEL: @read_value |
| ; CHECK-XOR-NOT: ret i32 |
| ; CHECK-XOR: xor{{.*}}48879 |
| ; CHECK-XOR-NEXT: add{{.*}}3735928559 |
| ; CHECK-XOR: ret i32 |
| |
| ; CHECK-XOR-AND-LABEL: @read_value |
| ; CHECK-XOR-AND-NOT: ret i32 |
| ; CHECK-XOR-AND: and{{.*}}-4294901761 |
| ; CHECK-XOR-AND-NEXT: xor{{.*}}48879 |
| ; CHECK-XOR-AND-NEXT: add{{.*}}3735928559 |
| ; CHECK-XOR-AND: ret i32 |
| |
| ; CHECK-ORIGIN-BASE-LABEL: @read_value |
| ; CHECK-ORIGIN-BASE-NOT: ret i32 |
| ; CHECK-ORIGIN-BASE: add{{.*}}1777777 |
| ; CHECK-ORIGIN-BASE: ret i32 |
