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[asan/tsan] initialize the asan/tsan callbacks in runOnFunction as opposed to doInitialization. This is required to allow the upcoming changes in PassManager behavior

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168864 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Kostya Serebryany
2012-11-29 09:54:21 +00:00
parent 5085eb80ab
commit 8b390ffbfd
2 changed files with 48 additions and 37 deletions
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lib/Transforms/Instrumentation/ThreadSanitizer.cpp
+17 -11
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@@ -78,6 +78,7 @@ struct ThreadSanitizer : public FunctionPass {
static char ID; // Pass identification, replacement for typeid.
private:
void initializeCallbacks(Module &M);
bool instrumentLoadOrStore(Instruction *I);
bool instrumentAtomic(Instruction *I);
void chooseInstructionsToInstrument(SmallVectorImpl<Instruction*> &Local,
@@ -130,18 +131,8 @@ static Function *checkInterfaceFunction(Constant *FuncOrBitcast) {
report_fatal_error("ThreadSanitizer interface function redefined");
}
bool ThreadSanitizer::doInitialization(Module &M) {
TD = getAnalysisIfAvailable<DataLayout>();
if (!TD)
return false;
BL.reset(new BlackList(ClBlackListFile));
// Always insert a call to __tsan_init into the module's CTORs.
void ThreadSanitizer::initializeCallbacks(Module &M) {
IRBuilder<> IRB(M.getContext());
Value *TsanInit = M.getOrInsertFunction("__tsan_init",
IRB.getVoidTy(), NULL);
appendToGlobalCtors(M, cast<Function>(TsanInit), 0);
// Initialize the callbacks.
TsanFuncEntry = checkInterfaceFunction(M.getOrInsertFunction(
"__tsan_func_entry", IRB.getVoidTy(), IRB.getInt8PtrTy(), NULL));
@@ -209,6 +200,20 @@ bool ThreadSanitizer::doInitialization(Module &M) {
"__tsan_atomic_thread_fence", IRB.getVoidTy(), OrdTy, NULL));
TsanAtomicSignalFence = checkInterfaceFunction(M.getOrInsertFunction(
"__tsan_atomic_signal_fence", IRB.getVoidTy(), OrdTy, NULL));
}
bool ThreadSanitizer::doInitialization(Module &M) {
TD = getAnalysisIfAvailable<DataLayout>();
if (!TD)
return false;
BL.reset(new BlackList(ClBlackListFile));
// Always insert a call to __tsan_init into the module's CTORs.
IRBuilder<> IRB(M.getContext());
Value *TsanInit = M.getOrInsertFunction("__tsan_init",
IRB.getVoidTy(), NULL);
appendToGlobalCtors(M, cast<Function>(TsanInit), 0);
return true;
}
@@ -299,6 +304,7 @@ static bool isAtomic(Instruction *I) {
bool ThreadSanitizer::runOnFunction(Function &F) {
if (!TD) return false;
if (BL->isIn(F)) return false;
initializeCallbacks(*F.getParent());
SmallVector<Instruction*, 8> RetVec;
SmallVector<Instruction*, 8> AllLoadsAndStores;
SmallVector<Instruction*, 8> LocalLoadsAndStores;