133   Value *getStackGuard(IRBuilder<> &IRB, Function &F);
136   void checkStackGuard(IRBuilder<> &IRB, Function &F, Instruction &RI,
157   Value *moveStaticAllocasToUnsafeStack(IRBuilder<> &IRB, Function &F,
169   createStackRestorePoints(IRBuilder<> &IRB, Function &F,
365 Value *SafeStack::getStackGuard(IRBuilder<> &IRB, Function &F) {  in getStackGuard()  argument
366   Value *StackGuardVar = TL.getIRStackGuard(IRB);  in getStackGuard()
371     return IRB.CreateCall(Intrinsic::getDeclaration(M, Intrinsic::stackguard));  in getStackGuard()
374   return IRB.CreateLoad(StackPtrTy, StackGuardVar, "StackGuard");  in getStackGuard()
429 SafeStack::createStackRestorePoints(IRBuilder<> &IRB, Function &F,  in createStackRestorePoints()  argument
447     DynamicTop = IRB.CreateAlloca(StackPtrTy, /*ArraySize=*/nullptr,  in createStackRestorePoints()
449     IRB.CreateStore(StaticTop, DynamicTop);  in createStackRestorePoints()
456     IRB.SetInsertPoint(I->getNextNode());  in createStackRestorePoints()
458         DynamicTop ? IRB.CreateLoad(StackPtrTy, DynamicTop) : StaticTop;  in createStackRestorePoints()
459     IRB.CreateStore(CurrentTop, UnsafeStackPtr);  in createStackRestorePoints()
465 void SafeStack::checkStackGuard(IRBuilder<> &IRB, Function &F, Instruction &RI,  in checkStackGuard()  argument
467   Value *V = IRB.CreateLoad(StackPtrTy, StackGuardSlot);  in checkStackGuard()
468   Value *Cmp = IRB.CreateICmpNE(StackGuard, V);  in checkStackGuard()
480       F.getParent()->getOrInsertFunction("__stack_chk_fail", IRB.getVoidTy());  in checkStackGuard()
488     IRBuilder<> &IRB, Function &F, ArrayRef<AllocaInst *> StaticAllocas,  in moveStaticAllocasToUnsafeStack()  argument
551     IRB.SetInsertPoint(BasePointer->getNextNode());  in moveStaticAllocasToUnsafeStack()
552     BasePointer = cast<Instruction>(IRB.CreateIntToPtr(  in moveStaticAllocasToUnsafeStack()
553         IRB.CreateAnd(  in moveStaticAllocasToUnsafeStack()
554             IRB.CreatePtrToInt(BasePointer, IntPtrTy),  in moveStaticAllocasToUnsafeStack()
559   IRB.SetInsertPoint(BasePointer->getNextNode());  in moveStaticAllocasToUnsafeStack()
563     Value *Off = IRB.CreateGEP(Int8Ty, BasePointer, // BasePointer is i8*  in moveStaticAllocasToUnsafeStack()
566         IRB.CreateBitCast(Off, StackGuardSlot->getType(), "StackGuardSlot");  in moveStaticAllocasToUnsafeStack()
582     Value *Off = IRB.CreateGEP(Int8Ty, BasePointer, // BasePointer is i8*  in moveStaticAllocasToUnsafeStack()
584     Value *NewArg = IRB.CreateBitCast(Off, Arg->getType(),  in moveStaticAllocasToUnsafeStack()
591     IRB.SetInsertPoint(cast<Instruction>(NewArg)->getNextNode());  in moveStaticAllocasToUnsafeStack()
592     IRB.CreateMemCpy(Off, Align, Arg, Arg->getParamAlign(), Size);  in moveStaticAllocasToUnsafeStack()
597     IRB.SetInsertPoint(AI);  in moveStaticAllocasToUnsafeStack()
645   IRB.SetInsertPoint(BasePointer->getNextNode());  in moveStaticAllocasToUnsafeStack()
648       IRB.CreateGEP(Int8Ty, BasePointer, ConstantInt::get(Int32Ty, -FrameSize),  in moveStaticAllocasToUnsafeStack()
650   IRB.CreateStore(StaticTop, UnsafeStackPtr);  in moveStaticAllocasToUnsafeStack()
660     IRBuilder<> IRB(AI);  in moveDynamicAllocasToUnsafeStack()  local
665       ArraySize = IRB.CreateIntCast(ArraySize, IntPtrTy, false);  in moveDynamicAllocasToUnsafeStack()
669     Value *Size = IRB.CreateMul(ArraySize, ConstantInt::get(IntPtrTy, TySize));  in moveDynamicAllocasToUnsafeStack()
671     Value *SP = IRB.CreatePtrToInt(IRB.CreateLoad(StackPtrTy, UnsafeStackPtr),  in moveDynamicAllocasToUnsafeStack()
673     SP = IRB.CreateSub(SP, Size);  in moveDynamicAllocasToUnsafeStack()
679     Value *NewTop = IRB.CreateIntToPtr(  in moveDynamicAllocasToUnsafeStack()
680         IRB.CreateAnd(SP,  in moveDynamicAllocasToUnsafeStack()
685     IRB.CreateStore(NewTop, UnsafeStackPtr);  in moveDynamicAllocasToUnsafeStack()
687       IRB.CreateStore(NewTop, DynamicTop);  in moveDynamicAllocasToUnsafeStack()
689     Value *NewAI = IRB.CreatePointerCast(NewTop, AI->getType());  in moveDynamicAllocasToUnsafeStack()
706         IRBuilder<> IRB(II);  in moveDynamicAllocasToUnsafeStack()  local
707         Instruction *LI = IRB.CreateLoad(StackPtrTy, UnsafeStackPtr);  in moveDynamicAllocasToUnsafeStack()
712         IRBuilder<> IRB(II);  in moveDynamicAllocasToUnsafeStack()  local
713         Instruction *SI = IRB.CreateStore(II->getArgOperand(0), UnsafeStackPtr);  in moveDynamicAllocasToUnsafeStack()
787   IRBuilder<> IRB(&F.front(), F.begin()->getFirstInsertionPt());  in run()  local
791     IRB.SetCurrentDebugLocation(  in run()
796     UnsafeStackPtr = IRB.CreateCall(Fn);  in run()
798     UnsafeStackPtr = TL.getSafeStackPointerLocation(IRB);  in run()
804       IRB.CreateLoad(StackPtrTy, UnsafeStackPtr, false, "unsafe_stack_ptr");  in run()
812     Value *StackGuard = getStackGuard(IRB, F);  in run()
813     StackGuardSlot = IRB.CreateAlloca(StackPtrTy, nullptr);  in run()
814     IRB.CreateStore(StackGuard, StackGuardSlot);  in run()
825       IRB, F, StaticAllocas, ByValArguments, BasePointer, StackGuardSlot);  in run()
834       IRB, F, StackRestorePoints, StaticTop, !DynamicAllocas.empty());  in run()
842     IRB.SetInsertPoint(RI);  in run()
843     IRB.CreateStore(BasePointer, UnsafeStackPtr);  in run()