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[tsan] use FunctionBlackList

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152755 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Kostya Serebryany 2012-03-14 23:33:24 +00:00
parent a1c4504409
commit 6e590e3f61
1 changed files with 9 additions and 0 deletions
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9
lib/Transforms/Instrumentation/ThreadSanitizer.cpp
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@ -21,12 +21,14 @@
#define DEBUG_TYPE "tsan"
#include "FunctionBlackList.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Intrinsics.h"
#include "llvm/Function.h"
#include "llvm/Module.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/IRBuilder.h"
#include "llvm/Support/MathExtras.h"
@ -37,6 +39,9 @@
using namespace llvm;
static cl::opt<std::string> ClBlackListFile("tsan-blacklist",
cl::desc("Blacklist file"), cl::Hidden);
namespace {
/// ThreadSanitizer: instrument the code in module to find races.
struct ThreadSanitizer : public FunctionPass {
@ -48,6 +53,7 @@ struct ThreadSanitizer : public FunctionPass {
private:
TargetData *TD;
OwningPtr<FunctionBlackList> BL;
// Callbacks to run-time library are computed in doInitialization.
Value *TsanFuncEntry;
Value *TsanFuncExit;
@ -76,6 +82,8 @@ bool ThreadSanitizer::doInitialization(Module &M) {
TD = getAnalysisIfAvailable<TargetData>();
if (!TD)
return false;
BL.reset(new FunctionBlackList(ClBlackListFile));
// Always insert a call to __tsan_init into the module's CTORs.
IRBuilder<> IRB(M.getContext());
Value *TsanInit = M.getOrInsertFunction("__tsan_init",
@ -102,6 +110,7 @@ bool ThreadSanitizer::doInitialization(Module &M) {
bool ThreadSanitizer::runOnFunction(Function &F) {
if (!TD) return false;
if (BL->isIn(F)) return false;
SmallVector<Instruction*, 8> RetVec;
SmallVector<Instruction*, 8> LoadsAndStores;
bool Res = false;