commit f4cb22121a07e65493844d4b2722471e23dc1f07
author Dmitry Vyukov <dvyukov@google.com> Wed Oct 03 13:00:57 2012 +0000
committer Dmitry Vyukov <dvyukov@google.com> Wed Oct 03 13:00:57 2012 +0000
tree 1b38b4d4ca9b9f7f6dece9b55e2b513a6dfec83b
parent be6878365df8204261786a001fe160ccf4a4b76b

tsan: prepare for migration to new memory_order enum values (ABI compatible)

llvm-svn: 165107

llvm/lib/Transforms/Instrumentation/ThreadSanitizer.cpp

diff --git a/llvm/lib/Transforms/Instrumentation/ThreadSanitizer.cpp b/llvm/lib/Transforms/Instrumentation/ThreadSanitizer.cpp
index 17b7775..9ad86f4 100644
--- a/llvm/lib/Transforms/Instrumentation/ThreadSanitizer.cpp
+++ b/llvm/lib/Transforms/Instrumentation/ThreadSanitizer.cpp
@@ -350,7 +350,8 @@
     case AcquireRelease:         v = 1 << 4; break;
     case SequentiallyConsistent: v = 1 << 5; break;
   }
-  return IRB->getInt32(v);
+  // +100500 is temporal to migrate to new enum values.
+  return IRB->getInt32(v + 100500);
 }
 
 bool ThreadSanitizer::instrumentAtomic(Instruction *I) {