1; Test that the msan layout customization options work as expected 2; 3; RUN: opt < %s -msan-shadow-base 3735928559 -S -passes=msan 2>&1 | FileCheck \ 4; RUN: --check-prefix=CHECK-BASE %s 5; RUN: opt < %s -msan -msan-shadow-base 3735928559 -S | FileCheck --check-prefix=CHECK-BASE %s 6; RUN: opt < %s -msan-shadow-base 3735928559 -msan-and-mask 4294901760 -S \ 7; RUN: -passes=msan 2>&1 | FileCheck --check-prefix=CHECK-AND %s 8; RUN: opt < %s -msan -msan-shadow-base 3735928559 -msan-and-mask 4294901760 -S | FileCheck --check-prefix=CHECK-AND %s 9; RUN: opt < %s -msan-shadow-base 3735928559 -msan-xor-mask 48879 -S \ 10; RUN: -passes=msan 2>&1 | FileCheck --check-prefix=CHECK-XOR %s 11; RUN: opt < %s -msan -msan-shadow-base 3735928559 -msan-xor-mask 48879 -S | FileCheck --check-prefix=CHECK-XOR %s 12; RUN: opt < %s -msan-shadow-base 3735928559 -msan-xor-mask 48879 \ 13; RUN: -msan-and-mask 4294901760 -S -passes=msan 2>&1 | FileCheck \ 14; RUN: --check-prefix=CHECK-XOR-AND %s 15; RUN: opt < %s -msan -msan-shadow-base 3735928559 -msan-xor-mask 48879 -msan-and-mask 4294901760 -S | FileCheck --check-prefix=CHECK-XOR-AND %s 16; RUN: opt < %s -msan-track-origins 1 -msan-origin-base 1777777 -S -passes=msan\ 17; RUN: 2>&1 | FileCheck --check-prefix=CHECK-ORIGIN-BASE %s 18; RUN: opt < %s -msan -msan-track-origins 1 -msan-origin-base 1777777 -S | FileCheck --check-prefix=CHECK-ORIGIN-BASE %s 19 20target triple = "x86_64-unknown-linux-gnu" 21 22define i32 @read_value(i32* %a) sanitize_memory { 23entry: 24 %tmp1 = load i32, i32* %a, align 4 25 ret i32 %tmp1 26} 27; CHECK-BASE-LABEL: @read_value 28; CHECK-BASE-NOT: ret i32 29; CHECK-BASE: add{{.*}}3735928559 30; CHECK-BASE: ret i32 31 32; CHECK-AND-LABEL: @read_value 33; CHECK-AND-NOT: ret i32 34; CHECK-AND: and{{.*}}-4294901761 35; CHECK-AND-NEXT: add{{.*}}3735928559 36; CHECK-AND: ret i32 37 38; CHECK-XOR-LABEL: @read_value 39; CHECK-XOR-NOT: ret i32 40; CHECK-XOR: xor{{.*}}48879 41; CHECK-XOR-NEXT: add{{.*}}3735928559 42; CHECK-XOR: ret i32 43 44; CHECK-XOR-AND-LABEL: @read_value 45; CHECK-XOR-AND-NOT: ret i32 46; CHECK-XOR-AND: and{{.*}}-4294901761 47; CHECK-XOR-AND-NEXT: xor{{.*}}48879 48; CHECK-XOR-AND-NEXT: add{{.*}}3735928559 49; CHECK-XOR-AND: ret i32 50 51; CHECK-ORIGIN-BASE-LABEL: @read_value 52; CHECK-ORIGIN-BASE-NOT: ret i32 53; CHECK-ORIGIN-BASE: add{{.*}}1777777 54; CHECK-ORIGIN-BASE: ret i32 55