diff options
| author | Alexander Kornienko <alexfh@google.com> | 2013-04-03 14:07:16 +0000 |
|---|---|---|
| committer | Alexander Kornienko <alexfh@google.com> | 2013-04-03 14:07:16 +0000 |
| commit | e133bc868944822bf8961f825d3aa63d6fa48fb7 (patch) | |
| tree | ebbd4a8040181471467a9737d90d94dc6b58b316 /test/Instrumentation/ThreadSanitizer/vptr_read.ll | |
| parent | 647735c781c5b37061ee03d6e9e6c7dda92218e2 (diff) | |
| parent | 080e3c523e87ec68ca1ea5db4cd49816028dd8bd (diff) | |
Updating branches/google/stable to r178511stable
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/google/stable@178655 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Instrumentation/ThreadSanitizer/vptr_read.ll')
| -rw-r--r-- | test/Instrumentation/ThreadSanitizer/vptr_read.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/Instrumentation/ThreadSanitizer/vptr_read.ll b/test/Instrumentation/ThreadSanitizer/vptr_read.ll new file mode 100644 index 0000000000..404ca3ffe5 --- /dev/null +++ b/test/Instrumentation/ThreadSanitizer/vptr_read.ll @@ -0,0 +1,13 @@ +; RUN: opt < %s -tsan -S | FileCheck %s +; Check that vptr reads are treated in a special way. +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" + +define i8 @Foo(i8* %a) nounwind uwtable { +entry: +; CHECK: call void @__tsan_vptr_read + %0 = load i8* %a, align 8, !tbaa !0 + ret i8 %0 +} +!0 = metadata !{metadata !"vtable pointer", metadata !1} +!1 = metadata !{metadata !"Simple C/C++ TBAA", null} + |