ThreadSanitizer, a race detector. First LLVM commit.

Clang patch (flags) will follow shortly.
The run-time library will also follow, but not immediately.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150423 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Transforms/Instrumentation.h

@@ -17,6 +17,7 @@
 namespace llvm {
 
 class ModulePass;
+class FunctionPass;
 
 // Insert edge profiling instrumentation
 ModulePass *createEdgeProfilerPass();
@@ -34,6 +35,8 @@ ModulePass *createGCOVProfilerPass(bool EmitNotes = true, bool EmitData = true,
 
 // Insert AddressSanitizer (address sanity checking) instrumentation
 ModulePass *createAddressSanitizerPass();
+// Insert ThreadSanitizer (race detection) instrumentation
+FunctionPass *createThreadSanitizerPass();
 
 } // End llvm namespace