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when parsing instructions remember information about the types taken and

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returned.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23367 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-09-15 21:51:12 +00:00
parent 4ac85b3e94
commit ae6d828de8
2 changed files with 25 additions and 7 deletions
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10
utils/TableGen/DAGISelEmitter.cpp
View File

@ -805,6 +805,7 @@ void DAGISelEmitter::ParseInstructions() {
CodeGenInstruction &CGI = Target.getInstruction(Instrs[i]->getName());
// Check that all of the results occur first in the list.
std::vector<MVT::ValueType> ResultTypes;
for (unsigned i = 0; i != NumResults; ++i) {
if (i == CGI.OperandList.size())
I->error("'" + InstResults.begin()->first +
@ -820,6 +821,9 @@ void DAGISelEmitter::ParseInstructions() {
if (CGI.OperandList[i].Rec != R)
I->error("Operand $" + OpName + " class mismatch!");
// Remember the return type.
ResultTypes.push_back(CGI.OperandList[i].Ty);
// Okay, this one checks out.
InstResults.erase(OpName);
}
@ -829,6 +833,7 @@ void DAGISelEmitter::ParseInstructions() {
std::map<std::string, TreePatternNode*> InstInputsCheck(InstInputs);
std::vector<TreePatternNode*> ResultNodeOperands;
std::vector<MVT::ValueType> OperandTypes;
for (unsigned i = NumResults, e = CGI.OperandList.size(); i != e; ++i) {
const std::string &OpName = CGI.OperandList[i].Name;
if (OpName.empty())
@ -842,6 +847,7 @@ void DAGISelEmitter::ParseInstructions() {
if (CGI.OperandList[i].Ty != InVal->getType())
I->error("Operand $" + OpName +
"'s type disagrees between the operand and pattern");
OperandTypes.push_back(InVal->getType());
// Construct the result for the dest-pattern operand list.
TreePatternNode *OpNode = InVal->clone();
@ -867,10 +873,8 @@ void DAGISelEmitter::ParseInstructions() {
TreePatternNode *ResultPattern =
new TreePatternNode(I->getRecord(), ResultNodeOperands);
unsigned NumOperands = CGI.OperandList.size()-NumResults;
DEBUG(I->dump());
Instructions.push_back(DAGInstruction(I, NumResults, NumOperands,
Instructions.push_back(DAGInstruction(I, ResultTypes, OperandTypes,
ResultPattern));
}

22
utils/TableGen/DAGISelEmitter.h
View File

@ -279,16 +279,30 @@ namespace llvm {
TreePattern *Pattern;
unsigned NumResults;
unsigned NumOperands;
std::vector<MVT::ValueType> ResultTypes;
std::vector<MVT::ValueType> OperandTypes;
TreePatternNode *ResultPattern;
public:
DAGInstruction(TreePattern *TP, unsigned results, unsigned ops,
DAGInstruction(TreePattern *TP,
const std::vector<MVT::ValueType> &resultTypes,
const std::vector<MVT::ValueType> &operandTypes,
TreePatternNode *resultPattern)
: Pattern(TP), NumResults(results), NumOperands(ops),
: Pattern(TP), ResultTypes(resultTypes), OperandTypes(operandTypes),
ResultPattern(resultPattern) {}
TreePattern *getPattern() const { return Pattern; }
unsigned getNumResults() const { return NumResults; }
unsigned getNumOperands() const { return NumOperands; }
unsigned getNumResults() const { return ResultTypes.size(); }
unsigned getNumOperands() const { return OperandTypes.size(); }
MVT::ValueType getResultType(unsigned RN) const {
assert(RN < ResultTypes.size());
return ResultTypes[RN];
}
MVT::ValueType getOperandType(unsigned ON) const {
assert(ON < OperandTypes.size());
return OperandTypes[ON];
}
TreePatternNode *getResultPattern() const { return ResultPattern; }
};