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Diffstat (limited to 'test/Instrumentation/MemorySanitizer/origin-array.ll')
| -rw-r--r-- | test/Instrumentation/MemorySanitizer/origin-array.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/Instrumentation/MemorySanitizer/origin-array.ll b/test/Instrumentation/MemorySanitizer/origin-array.ll new file mode 100644 index 0000000..d9936ff --- /dev/null +++ b/test/Instrumentation/MemorySanitizer/origin-array.ll @@ -0,0 +1,23 @@ +; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=2 -S | FileCheck %s + +target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128" +target triple = "aarch64-unknown-linux-gnu" + +; Check origin handling of array types. + +define void @foo([2 x i64] %v, [2 x i64]* %p) sanitize_memory { +entry: + store [2 x i64] %v, [2 x i64]* %p, align 8 + ret void +} + +; CHECK-LABEL: @foo +; CHECK: [[PARAM:%[01-9a-z]+]] = load {{.*}} @__msan_param_tls +; CHECK: [[ORIGIN:%[01-9a-z]+]] = load {{.*}} @__msan_param_origin_tls + +; CHECK: [[TMP1:%[01-9a-z]+]] = ptrtoint +; CHECK: [[TMP2:%[01-9a-z]+]] = xor i64 [[TMP1]] +; CHECK: [[TMP3:%[01-9a-z]+]] = inttoptr i64 [[TMP2]] to [2 x i64]* +; CHECK: store [2 x i64] [[PARAM]], [2 x i64]* [[TMP3]] + +; CHECK: {{.*}} call i32 @__msan_chain_origin(i32 {{.*}}[[ORIGIN]]) |
