1//===- GIMatchDagEdge.cpp - An edge describing a def/use lookup -----------===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8 9#include "GIMatchDagEdge.h" 10#include "GIMatchDagInstr.h" 11#include "llvm/Support/raw_ostream.h" 12 13using namespace llvm; 14 15LLVM_DUMP_METHOD void GIMatchDagEdge::print(raw_ostream &OS) const { 16 OS << getFromMI()->getName() << "[" << getFromMO()->getName() << "] --[" 17 << Name << "]--> " << getToMI()->getName() << "[" << getToMO()->getName() 18 << "]"; 19} 20 21bool GIMatchDagEdge::isDefToUse() const { 22 // Def -> Def is invalid so we only need to check FromMO. 23 return FromMO->isDef(); 24} 25 26void GIMatchDagEdge::reverse() { 27 std::swap(FromMI, ToMI); 28 std::swap(FromMO, ToMO); 29} 30 31#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 32LLVM_DUMP_METHOD void GIMatchDagEdge::dump() const { print(errs()); } 33#endif // if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 34 35raw_ostream &llvm::operator<<(raw_ostream &OS, const GIMatchDagEdge &E) { 36 E.print(OS); 37 return OS; 38} 39