diff options
| author | Matt Morehouse <mascasa@google.com> | 2017-09-20 22:53:08 +0000 |
|---|---|---|
| committer | Matt Morehouse <mascasa@google.com> | 2017-09-20 22:53:08 +0000 |
| commit | b01b302b3bc37c48bc0069cc13ec517c4ca0ea84 (patch) | |
| tree | 0445df14d7a3b6ac8e16d0902f8c3756eb9597c1 /test/Instrumentation | |
| parent | aaf01f33c0955a93a85ed5eacc55cbc065a0adbc (diff) | |
[MSan] Disable sanitization for __sanitizer_dtor_callback.
Summary:
Eliminate unnecessary instrumentation at __sanitizer_dtor_callback
call sites. Fixes https://github.com/google/sanitizers/issues/861.
Reviewers: eugenis, kcc
Reviewed By: eugenis
Subscribers: vitalybuka, llvm-commits, cfe-commits, hiraditya
Differential Revision: https://reviews.llvm.org/D38063
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@313831 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Instrumentation')
| -rw-r--r-- | test/Instrumentation/MemorySanitizer/call-nosanitize.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/Instrumentation/MemorySanitizer/call-nosanitize.ll b/test/Instrumentation/MemorySanitizer/call-nosanitize.ll new file mode 100644 index 00000000000..b5e6937f9f8 --- /dev/null +++ b/test/Instrumentation/MemorySanitizer/call-nosanitize.ll @@ -0,0 +1,16 @@ +; Verify that calls with !nosanitize are not instrumented by MSan. +; RUN: opt < %s -msan -S | FileCheck %s +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + +declare void @bar(i32 %x) + +define void @foo() { + call void @bar(i32 7), !nosanitize !{} + ret void +} + +; CHECK-LABEL: define void @foo +; CHECK-NOT: store i{{[0-9]+}} 0, {{.*}} @__msan_param_tls +; CHECK: call void @bar +; CHECK: ret void |