1 files changed, 43 insertions, 0 deletions
diff --git a/llvm/test/Instrumentation/MemorySanitizer/manual-shadow.ll b/llvm/test/Instrumentation/MemorySanitizer/manual-shadow.ll
new file mode 100644
index 00000000000..f4664cba37e
--- /dev/null
+++ b/llvm/test/Instrumentation/MemorySanitizer/manual-shadow.ll
@@ -0,0 +1,43 @@
+; 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