mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-11 14:57:05 +00:00
instead of to have a chained series of scope nodes. This makes the generated table smaller, improves the efficiency of the interpreter, and make the factoring optimization much more reasonable to implement. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97160 91177308-0d34-0410-b5e6-96231b3b80d8
256 lines
7.7 KiB
C++
256 lines
7.7 KiB
C++
//===- DAGISelMatcher.cpp - Representation of DAG pattern matcher ---------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "DAGISelMatcher.h"
|
|
#include "CodeGenDAGPatterns.h"
|
|
#include "CodeGenTarget.h"
|
|
#include "Record.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
#include "llvm/ADT/StringExtras.h"
|
|
using namespace llvm;
|
|
|
|
void Matcher::dump() const {
|
|
print(errs(), 0);
|
|
}
|
|
|
|
void Matcher::print(raw_ostream &OS, unsigned indent) const {
|
|
printImpl(OS, indent);
|
|
if (Next)
|
|
return Next->print(OS, indent);
|
|
}
|
|
|
|
ScopeMatcher::~ScopeMatcher() {
|
|
for (unsigned i = 0, e = Children.size(); i != e; ++i)
|
|
delete Children[i];
|
|
}
|
|
|
|
|
|
// printImpl methods.
|
|
|
|
void ScopeMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "Scope\n";
|
|
for (unsigned i = 0, e = getNumChildren(); i != e; ++i)
|
|
getChild(i)->print(OS, indent+2);
|
|
}
|
|
|
|
void RecordMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "Record\n";
|
|
}
|
|
|
|
void RecordChildMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "RecordChild: " << ChildNo << '\n';
|
|
}
|
|
|
|
void RecordMemRefMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "RecordMemRef\n";
|
|
}
|
|
|
|
void CaptureFlagInputMatcher::printImpl(raw_ostream &OS, unsigned indent) const{
|
|
OS.indent(indent) << "CaptureFlagInput\n";
|
|
}
|
|
|
|
void MoveChildMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "MoveChild " << ChildNo << '\n';
|
|
}
|
|
|
|
void MoveParentMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "MoveParent\n";
|
|
}
|
|
|
|
void CheckSameMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "CheckSame " << MatchNumber << '\n';
|
|
}
|
|
|
|
void CheckPatternPredicateMatcher::
|
|
printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "CheckPatternPredicate " << Predicate << '\n';
|
|
}
|
|
|
|
void CheckPredicateMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "CheckPredicate " << PredName << '\n';
|
|
}
|
|
|
|
void CheckOpcodeMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "CheckOpcode " << OpcodeName << '\n';
|
|
}
|
|
|
|
void CheckMultiOpcodeMatcher::printImpl(raw_ostream &OS, unsigned indent) const{
|
|
OS.indent(indent) << "CheckMultiOpcode <todo args>\n";
|
|
}
|
|
|
|
void CheckTypeMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "CheckType " << getEnumName(Type) << '\n';
|
|
}
|
|
|
|
void CheckChildTypeMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "CheckChildType " << ChildNo << " "
|
|
<< getEnumName(Type) << '\n';
|
|
}
|
|
|
|
|
|
void CheckIntegerMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "CheckInteger " << Value << '\n';
|
|
}
|
|
|
|
void CheckCondCodeMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "CheckCondCode ISD::" << CondCodeName << '\n';
|
|
}
|
|
|
|
void CheckValueTypeMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "CheckValueType MVT::" << TypeName << '\n';
|
|
}
|
|
|
|
void CheckComplexPatMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "CheckComplexPat " << Pattern.getSelectFunc() << '\n';
|
|
}
|
|
|
|
void CheckAndImmMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "CheckAndImm " << Value << '\n';
|
|
}
|
|
|
|
void CheckOrImmMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "CheckOrImm " << Value << '\n';
|
|
}
|
|
|
|
void CheckFoldableChainNodeMatcher::printImpl(raw_ostream &OS,
|
|
unsigned indent) const {
|
|
OS.indent(indent) << "CheckFoldableChainNode\n";
|
|
}
|
|
|
|
void CheckChainCompatibleMatcher::printImpl(raw_ostream &OS,
|
|
unsigned indent) const {
|
|
OS.indent(indent) << "CheckChainCompatible " << PreviousOp << "\n";
|
|
}
|
|
|
|
void EmitIntegerMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "EmitInteger " << Val << " VT=" << VT << '\n';
|
|
}
|
|
|
|
void EmitStringIntegerMatcher::
|
|
printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "EmitStringInteger " << Val << " VT=" << VT << '\n';
|
|
}
|
|
|
|
void EmitRegisterMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "EmitRegister ";
|
|
if (Reg)
|
|
OS << Reg->getName();
|
|
else
|
|
OS << "zero_reg";
|
|
OS << " VT=" << VT << '\n';
|
|
}
|
|
|
|
void EmitConvertToTargetMatcher::
|
|
printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "EmitConvertToTarget " << Slot << '\n';
|
|
}
|
|
|
|
void EmitMergeInputChainsMatcher::
|
|
printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "EmitMergeInputChains <todo: args>\n";
|
|
}
|
|
|
|
void EmitCopyToRegMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "EmitCopyToReg <todo: args>\n";
|
|
}
|
|
|
|
void EmitNodeXFormMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "EmitNodeXForm " << NodeXForm->getName()
|
|
<< " Slot=" << Slot << '\n';
|
|
}
|
|
|
|
|
|
void EmitNodeMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "EmitNode: " << OpcodeName << ": <todo flags> ";
|
|
|
|
for (unsigned i = 0, e = VTs.size(); i != e; ++i)
|
|
OS << ' ' << getEnumName(VTs[i]);
|
|
OS << '(';
|
|
for (unsigned i = 0, e = Operands.size(); i != e; ++i)
|
|
OS << Operands[i] << ' ';
|
|
OS << ")\n";
|
|
}
|
|
|
|
void MarkFlagResultsMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "MarkFlagResults <todo: args>\n";
|
|
}
|
|
|
|
void CompleteMatchMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
|
|
OS.indent(indent) << "CompleteMatch <todo args>\n";
|
|
OS.indent(indent) << "Src = " << *Pattern.getSrcPattern() << "\n";
|
|
OS.indent(indent) << "Dst = " << *Pattern.getDstPattern() << "\n";
|
|
}
|
|
|
|
// getHashImpl Implementation.
|
|
|
|
unsigned CheckPatternPredicateMatcher::getHashImpl() const {
|
|
return HashString(Predicate);
|
|
}
|
|
|
|
unsigned CheckPredicateMatcher::getHashImpl() const {
|
|
return HashString(PredName);
|
|
}
|
|
|
|
unsigned CheckOpcodeMatcher::getHashImpl() const {
|
|
return HashString(OpcodeName);
|
|
}
|
|
|
|
unsigned CheckMultiOpcodeMatcher::getHashImpl() const {
|
|
unsigned Result = 0;
|
|
for (unsigned i = 0, e = OpcodeNames.size(); i != e; ++i)
|
|
Result |= HashString(OpcodeNames[i]);
|
|
return Result;
|
|
}
|
|
|
|
unsigned CheckCondCodeMatcher::getHashImpl() const {
|
|
return HashString(CondCodeName);
|
|
}
|
|
|
|
unsigned CheckValueTypeMatcher::getHashImpl() const {
|
|
return HashString(TypeName);
|
|
}
|
|
|
|
unsigned EmitStringIntegerMatcher::getHashImpl() const {
|
|
return HashString(Val) ^ VT;
|
|
}
|
|
|
|
template<typename It>
|
|
static unsigned HashUnsigneds(It I, It E) {
|
|
unsigned Result = 0;
|
|
for (; I != E; ++I)
|
|
Result = (Result<<3) ^ *I;
|
|
return Result;
|
|
}
|
|
|
|
unsigned EmitMergeInputChainsMatcher::getHashImpl() const {
|
|
return HashUnsigneds(ChainNodes.begin(), ChainNodes.end());
|
|
}
|
|
|
|
bool EmitNodeMatcher::isEqualImpl(const Matcher *m) const {
|
|
const EmitNodeMatcher *M = cast<EmitNodeMatcher>(m);
|
|
return M->OpcodeName == OpcodeName && M->VTs == VTs &&
|
|
M->Operands == Operands && M->HasChain == HasChain &&
|
|
M->HasFlag == HasFlag && M->HasMemRefs == HasMemRefs &&
|
|
M->NumFixedArityOperands == NumFixedArityOperands;
|
|
}
|
|
|
|
unsigned EmitNodeMatcher::getHashImpl() const {
|
|
return (HashString(OpcodeName) << 4) | Operands.size();
|
|
}
|
|
|
|
|
|
unsigned MarkFlagResultsMatcher::getHashImpl() const {
|
|
return HashUnsigneds(FlagResultNodes.begin(), FlagResultNodes.end());
|
|
}
|
|
|
|
unsigned CompleteMatchMatcher::getHashImpl() const {
|
|
return HashUnsigneds(Results.begin(), Results.end()) ^
|
|
((unsigned)(intptr_t)&Pattern << 8);
|
|
}
|