lib/CodeGen/CGAtomic.cpp

495                                          llvm::Value *OldVal,
508   llvm::Value *Cmp = Builder.CreateICmp(Pred, OldVal, RHS, "tst");
509   return Builder.CreateSelect(Cmp, OldVal, RHS, "newval");
1833     auto *OldVal = CGF.Builder.CreateLoad(ExpectedAddr);
1834     CGF.Builder.CreateStore(OldVal, DesiredAddr);
1854   auto *OldVal = EmitAtomicLoadOp(Failure, IsVolatile);
1860   llvm::PHINode *PHI = CGF.Builder.CreatePHI(OldVal->getType(),
1862   PHI->addIncoming(OldVal, CurBB);
1919     auto *OldVal = CGF.Builder.CreateLoad(ExpectedAddr);
1920     CGF.Builder.CreateStore(OldVal, DesiredAddr);
1936   auto *OldVal = EmitAtomicLoadOp(Failure, IsVolatile);
1942   llvm::PHINode *PHI = CGF.Builder.CreatePHI(OldVal->getType(),
1944   PHI->addIncoming(OldVal, CurBB);