Evgeniy Stepanov f8f47e0a14 Add msan custom mapping options.
Similarly to https://reviews.llvm.org/D18865 this adds options to provide custom mapping for msan.
As discussed in http://lists.llvm.org/pipermail/llvm-dev/2018-February/121339.html

Patch by vit9696(at)avp.su.

Differential Revision: https://reviews.llvm.org/D44926

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@328830 91177308-0d34-0410-b5e6-96231b3b80d8
2018-03-29 21:18:17 +00:00

44 lines
1.5 KiB
LLVM

; 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