diff options
| -rw-r--r-- | include/llvm/PassSupport.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/llvm/PassSupport.h b/include/llvm/PassSupport.h index 082790956c..c50c2cc184 100644 --- a/include/llvm/PassSupport.h +++ b/include/llvm/PassSupport.h @@ -25,6 +25,7 @@ #include "llvm/PassRegistry.h" #include "llvm/InitializePasses.h" #include "llvm/Support/Atomic.h" +#include "llvm/Support/Valgrind.h" #include <vector> namespace llvm { @@ -135,7 +136,10 @@ private: if (old_val == 0) { \ function(Registry); \ sys::MemoryFence(); \ + TsanIgnoreWritesBegin(); \ + TsanHappensBefore(&initialized); \ initialized = 2; \ + TsanIgnoreWritesEnd(); \ } else { \ sys::cas_flag tmp = initialized; \ sys::MemoryFence(); \ @@ -143,7 +147,8 @@ private: tmp = initialized; \ sys::MemoryFence(); \ } \ - } + } \ + TsanHappensAfter(&initialized); #define INITIALIZE_PASS(passName, arg, name, cfg, analysis) \ static void* initialize##passName##PassOnce(PassRegistry &Registry) { \ |