- LoadInst *Load = IRB.CreateLoad(GuardP);
- Load->setAtomic(Monotonic);
- Load->setAlignment(4);
- Load->setMetadata(F.getParent()->getMDKindID("nosanitize"),
- MDNode::get(*C, None));
- Value *Cmp = IRB.CreateICmpSGE(Constant::getNullValue(Load->getType()), Load);
- Instruction *Ins = SplitBlockAndInsertIfThen(
- Cmp, IP, false, MDBuilder(*C).createBranchWeights(1, 100000));
- IRB.SetInsertPoint(Ins);
- IRB.SetCurrentDebugLocation(EntryLoc);
- // __sanitizer_cov gets the PC of the instruction using GET_CALLER_PC.
- IRB.CreateCall(SanCovFunction, GuardP);
- IRB.CreateCall(EmptyAsm); // Avoids callback merge.
+ if (UseCalls) {
+ IRB.CreateCall(SanCovWithCheckFunction, GuardP);
+ } else {
+ LoadInst *Load = IRB.CreateLoad(GuardP);
+ Load->setAtomic(Monotonic);
+ Load->setAlignment(4);
+ Load->setMetadata(F.getParent()->getMDKindID("nosanitize"),
+ MDNode::get(*C, None));
+ Value *Cmp = IRB.CreateICmpSGE(Constant::getNullValue(Load->getType()), Load);
+ Instruction *Ins = SplitBlockAndInsertIfThen(
+ Cmp, IP, false, MDBuilder(*C).createBranchWeights(1, 100000));
+ IRB.SetInsertPoint(Ins);
+ IRB.SetCurrentDebugLocation(EntryLoc);
+ // __sanitizer_cov gets the PC of the instruction using GET_CALLER_PC.
+ IRB.CreateCall(SanCovFunction, GuardP);
+ IRB.CreateCall(EmptyAsm); // Avoids callback merge.
+ }