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| author | Nick Lewycky <nicholas@mxc.ca> | 2011-12-08 00:15:41 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2011-12-08 00:15:41 +0000 |
| commit | 7bf7fecd8d76aa7e6bbc336f80c6906cf3498b16 (patch) | |
| tree | 795acc768ead642057161335596efd8a0c950bf7 /include/llvm/PassSupport.h | |
| parent | 14d622dce651481c15e652e1595a9df01717ddd7 (diff) | |
| download | external_llvm-7bf7fecd8d76aa7e6bbc336f80c6906cf3498b16.zip external_llvm-7bf7fecd8d76aa7e6bbc336f80c6906cf3498b16.tar.gz external_llvm-7bf7fecd8d76aa7e6bbc336f80c6906cf3498b16.tar.bz2 | |
Add Tsan annotations to the pass system.
Perhaps once(&func) should be hoisted into lib/Support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146110 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/PassSupport.h')
| -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 0827909..c50c2cc 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) { \ |