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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23345 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-09-14 04:03:16 +00:00
parent 5f8cb2a28a
commit ec67643e86
2 changed files with 24 additions and 8 deletions
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11
utils/TableGen/DAGISelEmitter.cpp
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@ -700,18 +700,19 @@ void DAGISelEmitter::ParseAndResolveInstructions() {
// Now that we have operands that are sets, inspect the operands list for
// the instruction. This determines the order that operands are added to
// the machine instruction the node corresponds to.
assert(SetDestinations.size() == 1 &&
unsigned NumResults = SetDestinations.size();
assert(NumResults == 1 &&
"This code only handles a single set right now!");
unsigned NumOperands = 0;
DEBUG(I->dump());
Instructions.push_back(I);
Instructions.push_back(DAGInstruction(I, NumResults, NumOperands));
}
// If we can, convert the instructions to be a patterns that are matched!
for (unsigned i = 0, e = Instructions.size(); i != e; ++i) {
TreePattern *I = Instructions[i];
TreePattern *I = Instructions[i].getPattern();
if (I->getNumTrees() != 1) {
std::cerr << "CANNOT HANDLE: " << I->getRecord()->getName() << " yet!";
@ -780,7 +781,5 @@ void DAGISelEmitter::run(std::ostream &OS) {
delete I->second;
PatternFragments.clear();
for (unsigned i = 0, e = Instructions.size(); i != e; ++i)
delete Instructions[i];
Instructions.clear();
}

21
utils/TableGen/DAGISelEmitter.h
View File

@ -272,7 +272,24 @@ namespace llvm {
MVT::ValueType getIntrinsicType(Record *R) const;
TreePatternNode *ParseTreePattern(DagInit *DI);
};
class DAGInstruction {
TreePattern *Pattern;
unsigned NumResults;
unsigned NumOperands;
public:
DAGInstruction(TreePattern *TP, unsigned results, unsigned ops)
: Pattern(TP), NumResults(results), NumOperands(ops) {}
~DAGInstruction() {
delete Pattern;
}
TreePattern *getPattern() const { return Pattern; }
unsigned getNumResults() const { return NumResults; }
unsigned getNumOperands() const { return NumOperands; }
};
/// InstrSelectorEmitter - The top-level class which coordinates construction
@ -285,7 +302,7 @@ class DAGISelEmitter : public TableGenBackend {
std::map<Record*, SDNodeInfo> SDNodes;
std::map<Record*, std::pair<Record*, std::string> > SDNodeXForms;
std::map<Record*, TreePattern*> PatternFragments;
std::vector<TreePattern*> Instructions;
std::vector<DAGInstruction> Instructions;
/// PatternsToMatch - All of the things we are matching on the DAG. The first
/// value is the pattern to match, the second pattern is the result to