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Fix a fixme by passing around SDOperand's instead of SDNode*'s 

llvm-svn: 23415
This commit is contained in:
Chris Lattner 2005-09-23 21:53:45 +00:00
parent cc8a564cb1
commit 8ffb99b4fe
1 changed files with 14 additions and 15 deletions
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29
llvm/utils/TableGen/DAGISelEmitter.cpp
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@ -994,13 +994,13 @@ void DAGISelEmitter::EmitMatchForPattern(TreePatternNode *N,
assert(!N->isLeaf() && "Cannot match against a leaf!");
// Emit code to load the child nodes and match their contents recursively.
for (unsigned i = 0, e = N->getNumChildren(); i != e; ++i) {
OS << " SDNode *" << RootName << i <<" = " << RootName
<< "->getOperand(" << i << ").Val;\n";
OS << " SDOperand " << RootName << i <<" = " << RootName
<< ".getOperand(" << i << ");\n";
TreePatternNode *Child = N->getChild(i);
if (!Child->isLeaf()) {
// If it's not a leaf, recursively match.
const SDNodeInfo &CInfo = getSDNodeInfo(Child->getOperator());
OS << " if (" << RootName << i << "->getOpcode() != "
OS << " if (" << RootName << i << ".getOpcode() != "
<< CInfo.getEnumName() << ") goto P" << PatternNo << "Fail;\n";
EmitMatchForPattern(Child, RootName + utostr(i), PatternNo, OS);
} else {
@ -1022,14 +1022,14 @@ void DAGISelEmitter::EmitMatchForPattern(TreePatternNode *N,
// If this child has a name associated with it, capture it as a variable.
if (!Child->getName().empty())
OS << " SDOperand op" << Child->getName() << "(" << RootName
<< i << ", 0 /*FIXME*/);\n";
OS << " SDOperand op" << Child->getName() << " = " << RootName
<< i << ";\n";
}
// If there is a node predicate for this, emit the call.
if (!N->getPredicateFn().empty())
OS << " if (!" << N->getPredicateFn() << "(" << RootName
<< ")) goto P" << PatternNo << "Fail;\n";
<< ".Val)) goto P" << PatternNo << "Fail;\n";
}
/// EmitCodeForPattern - Given a pattern to match, emit code to the specified
@ -1090,18 +1090,17 @@ struct PatternSortingPredicate {
void DAGISelEmitter::EmitInstructionSelector(std::ostream &OS) {
// Emit boilerplate.
OS << "// The main instruction selector code.\n"
<< "SDOperand SelectCode(SDOperand Op) {\n"
<< " SDNode *N = Op.Val;\n"
<< " if (N->getOpcode() >= ISD::BUILTIN_OP_END &&\n"
<< " N->getOpcode() < PPCISD::FIRST_NUMBER)\n"
<< " return Op; // Already selected.\n\n"
<< " switch (N->getOpcode()) {\n"
<< "SDOperand SelectCode(SDOperand N) {\n"
<< " if (N.getOpcode() >= ISD::BUILTIN_OP_END &&\n"
<< " N.getOpcode() < PPCISD::FIRST_NUMBER)\n"
<< " return N; // Already selected.\n\n"
<< " switch (N.getOpcode()) {\n"
<< " default: break;\n"
<< " case ISD::EntryToken: // These leaves remain the same.\n"
<< " return Op;\n"
<< " return N;\n"
<< " case ISD::AssertSext:\n"
<< " case ISD::AssertZext:\n"
<< " return Select(N->getOperand(0));\n";
<< " return Select(N.getOperand(0));\n";
// Group the patterns by their top-level opcodes.
std::map<Record*, std::vector<PatternToMatch*> > PatternsByOpcode;
@ -1132,7 +1131,7 @@ void DAGISelEmitter::EmitInstructionSelector(std::ostream &OS) {
OS << " } // end of big switch.\n\n"
<< " std::cerr << \"Cannot yet select: \";\n"
<< " N->dump();\n"
<< " N.Val->dump();\n"
<< " std::cerr << '\\n';\n"
<< " abort();\n"
<< "}\n";