39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
|
//===- GIMatchDagEdge.cpp - An edge describing a def/use lookup -----------===//
|
||
|
|
//
|
||
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
||
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
||
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#include "GIMatchDagEdge.h"
|
||
|
|
#include "GIMatchDagInstr.h"
|
||
|
|
#include "llvm/Support/raw_ostream.h"
|
||
|
|
|
||
|
|
using namespace llvm;
|
||
|
|
|
||
|
|
LLVM_DUMP_METHOD void GIMatchDagEdge::print(raw_ostream &OS) const {
|
||
|
|
OS << getFromMI()->getName() << "[" << getFromMO()->getName() << "] --["
|
||
|
|
<< Name << "]--> " << getToMI()->getName() << "[" << getToMO()->getName()
|
||
|
|
<< "]";
|
||
|
|
}
|
||
|
|
|
||
|
|
bool GIMatchDagEdge::isDefToUse() const {
|
||
|
|
// Def -> Def is invalid so we only need to check FromMO.
|
||
|
|
return FromMO->isDef();
|
||
|
|
}
|
||
|
|
|
||
|
|
void GIMatchDagEdge::reverse() {
|
||
|
|
std::swap(FromMI, ToMI);
|
||
|
|
std::swap(FromMO, ToMO);
|
||
|
|
}
|
||
|
|
|
||
|
|
#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
|
||
|
|
LLVM_DUMP_METHOD void GIMatchDagEdge::dump() const { print(errs()); }
|
||
|
|
#endif // if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
|
||
|
|
|
||
|
|
raw_ostream &llvm::operator<<(raw_ostream &OS, const GIMatchDagEdge &E) {
|
||
|
|
E.print(OS);
|
||
|
|
return OS;
|
||
|
|
}
|