Path: blob/master/runtime/compiler/z/codegen/J9Peephole.cpp
6004 views
/*******************************************************************************1* Copyright (c) 2020, 2020 IBM Corp. and others2*3* This program and the accompanying materials are made available under4* the terms of the Eclipse Public License 2.0 which accompanies this5* distribution and is available at https://www.eclipse.org/legal/epl-2.0/6* or the Apache License, Version 2.0 which accompanies this distribution and7* is available at https://www.apache.org/licenses/LICENSE-2.0.8*9* This Source Code may also be made available under the following10* Secondary Licenses when the conditions for such availability set11* forth in the Eclipse Public License, v. 2.0 are satisfied: GNU12* General Public License, version 2 with the GNU Classpath13* Exception [1] and GNU General Public License, version 2 with the14* OpenJDK Assembly Exception [2].15*16* [1] https://www.gnu.org/software/classpath/license.html17* [2] http://openjdk.java.net/legal/assembly-exception.html18*19* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception20*******************************************************************************/2122#pragma csect(CODE,"TRJ9PeepholeBase#C")23#pragma csect(STATIC,"TRJ9PeepholeBase#S")24#pragma csect(TEST,"TRJ9PeepholeBase#T")2526#include "codegen/Peephole.hpp"2728#include "codegen/CodeGenerator.hpp"29#include "codegen/Instruction.hpp"30#include "codegen/S390GenerateInstructions.hpp"31#include "codegen/S390Instruction.hpp"3233J9::Z::Peephole::Peephole(TR::Compilation* comp) :34OMR::PeepholeConnector(comp)35{}3637bool38J9::Z::Peephole::performOnInstruction(TR::Instruction* cursor)39{40bool performed = false;4142if (self()->cg()->afterRA())43{44if (cursor->getNode() != NULL && cursor->getNode()->getOpCodeValue() == TR::BBStart)45{46self()->comp()->setCurrentBlock(cursor->getNode()->getBlock());47}48}4950performed |= OMR::PeepholeConnector::performOnInstruction(cursor);5152return performed;53}545556