Lines Matching defs:IRB

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,
364 Value *SafeStack::getStackGuard(IRBuilder<> &IRB, Function &F) {
365   Value *StackGuardVar = TL.getIRStackGuard(IRB);
370     return IRB.CreateIntrinsic(Intrinsic::stackguard, {}, {});
373   return IRB.CreateLoad(StackPtrTy, StackGuardVar, "StackGuard");
428 SafeStack::createStackRestorePoints(IRBuilder<> &IRB, Function &F,
446     DynamicTop = IRB.CreateAlloca(StackPtrTy, /*ArraySize=*/nullptr,
448     IRB.CreateStore(StaticTop, DynamicTop);
455     IRB.SetInsertPoint(I->getNextNode());
457         DynamicTop ? IRB.CreateLoad(StackPtrTy, DynamicTop) : StaticTop;
458     IRB.CreateStore(CurrentTop, UnsafeStackPtr);
464 void SafeStack::checkStackGuard(IRBuilder<> &IRB, Function &F, Instruction &RI,
466   Value *V = IRB.CreateLoad(StackPtrTy, StackGuardSlot);
467   Value *Cmp = IRB.CreateICmpNE(StackGuard, V);
479       F.getParent()->getOrInsertFunction("__stack_chk_fail", IRB.getVoidTy());
487     IRBuilder<> &IRB, Function &F, ArrayRef<AllocaInst *> StaticAllocas,
550     IRB.SetInsertPoint(BasePointer->getNextNode());
551     BasePointer = cast<Instruction>(IRB.CreateIntToPtr(
552         IRB.CreateAnd(
553             IRB.CreatePtrToInt(BasePointer, IntPtrTy),
558   IRB.SetInsertPoint(BasePointer->getNextNode());
563         IRB.CreatePtrAdd(BasePointer, ConstantInt::get(Int32Ty, -Offset));
565         IRB.CreateBitCast(Off, StackGuardSlot->getType(), "StackGuardSlot");
582         IRB.CreatePtrAdd(BasePointer, ConstantInt::get(Int32Ty, -Offset));
583     Value *NewArg = IRB.CreateBitCast(Off, Arg->getType(),
590     IRB.SetInsertPoint(cast<Instruction>(NewArg)->getNextNode());
591     IRB.CreateMemCpy(Off, Align, Arg, Arg->getParamAlign(), Size);
596     IRB.SetInsertPoint(AI);
645   IRB.SetInsertPoint(BasePointer->getNextNode());
648       IRB.CreatePtrAdd(BasePointer, ConstantInt::get(Int32Ty, -FrameSize),
650   IRB.CreateStore(StaticTop, UnsafeStackPtr);
660     IRBuilder<> IRB(AI);
665       ArraySize = IRB.CreateIntCast(ArraySize, IntPtrTy, false);
669     Value *Size = IRB.CreateMul(ArraySize, ConstantInt::get(IntPtrTy, TySize));
671     Value *SP = IRB.CreatePtrToInt(IRB.CreateLoad(StackPtrTy, UnsafeStackPtr),
673     SP = IRB.CreateSub(SP, Size);
679     Value *NewTop = IRB.CreateIntToPtr(
680         IRB.CreateAnd(SP,
685     IRB.CreateStore(NewTop, UnsafeStackPtr);
687       IRB.CreateStore(NewTop, DynamicTop);
689     Value *NewAI = IRB.CreatePointerCast(NewTop, AI->getType());
706         IRBuilder<> IRB(II);
707         Instruction *LI = IRB.CreateLoad(StackPtrTy, UnsafeStackPtr);
712         IRBuilder<> IRB(II);
713         Instruction *SI = IRB.CreateStore(II->getArgOperand(0), UnsafeStackPtr);
787   IRBuilder<> IRB(&F.front(), F.begin()->getFirstInsertionPt());
791     IRB.SetCurrentDebugLocation(
795         "__safestack_pointer_address", IRB.getPtrTy(0));
796     UnsafeStackPtr = IRB.CreateCall(Fn);
798     UnsafeStackPtr = TL.getSafeStackPointerLocation(IRB);
804       IRB.CreateLoad(StackPtrTy, UnsafeStackPtr, false, "unsafe_stack_ptr");
812     Value *StackGuard = getStackGuard(IRB, F);
813     StackGuardSlot = IRB.CreateAlloca(StackPtrTy, nullptr);
814     IRB.CreateStore(StackGuard, StackGuardSlot);
825       IRB, F, StaticAllocas, ByValArguments, BasePointer, StackGuardSlot);
834       IRB, F, StackRestorePoints, StaticTop, !DynamicAllocas.empty());
842     IRB.SetInsertPoint(RI);
843     IRB.CreateStore(BasePointer, UnsafeStackPtr);