Lines Matching +full:left +full:- +full:shifted

1 //===- HexagonOptimizeSZextends.cpp - Remove unnecessary argument extends -===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
12 //===----------------------------------------------------------------------===//
80             SExtInst* SI = new SExtInst(&Arg, Use->getType());  in runOnFunction()
81             assert (EVT::getEVT(SI->getType()) ==  in runOnFunction()
82                     (EVT::getEVT(Use->getType())));  in runOnFunction()
83             Use->replaceAllUsesWith(SI);  in runOnFunction()
85             SI->insertBefore(First);  in runOnFunction()
86             Use->eraseFromParent();  in runOnFunction()
104       if (!(Ashr && Ashr->getOpcode() == Instruction::AShr))  in runOnFunction()
106       Value *AshrOp1 = Ashr->getOperand(1);  in runOnFunction()
108       // Right shifted by 16.  in runOnFunction()
109       if (!(C && C->getSExtValue() == 16))  in runOnFunction()
112       // The first operand of Ashr comes from logical shift left.  in runOnFunction()
113       Instruction *Shl = dyn_cast<Instruction>(Ashr->getOperand(0));  in runOnFunction()
114       if (!(Shl && Shl->getOpcode() == Instruction::Shl))  in runOnFunction()
116       Value *Intr = Shl->getOperand(0);  in runOnFunction()
117       Value *ShlOp1 = Shl->getOperand(1);  in runOnFunction()
119       // Left shifted by 16.  in runOnFunction()
120       if (!(C && C->getSExtValue() == 16))  in runOnFunction()
125         if (!intrinsicAlreadySextended(I->getIntrinsicID()))  in runOnFunction()
128         for (auto UI = Ashr->user_begin(), UE = Ashr->user_end();  in runOnFunction()
132             J->replaceUsesOfWith(Ashr, I);  in runOnFunction()