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* Move BitsInit::resolveReferences up with the rest of BitsInit code 

* Initial support for field expressions

llvm-svn: 4849
This commit is contained in:
Chris Lattner 2002-12-02 16:43:30 +00:00
parent ae2bed976c
commit 3567880e6e
1 changed files with 25 additions and 19 deletions
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44
llvm/support/tools/TableGen/Record.cpp
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@ -206,6 +206,26 @@ bool BitsInit::printAsUnset(std::ostream &OS) const {
return false;
}
Init *BitsInit::resolveReferences(Record &R) {
bool Changed = false;
BitsInit *New = new BitsInit(getNumBits());
for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
Init *B;
New->setBit(i, getBit(i));
do {
B = New->getBit(i);
New->setBit(i, B->resolveReferences(R));
Changed |= B != New->getBit(i);
} while (B != New->getBit(i));
}
if (Changed)
return New;
delete New;
return this;
}
Init *IntInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) {
BitsInit *BI = new BitsInit(Bits.size());
@ -244,28 +264,14 @@ Init *VarInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) {
return BI;
}
Init *BitsInit::resolveReferences(Record &R) {
bool Changed = false;
BitsInit *New = new BitsInit(getNumBits());
for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
Init *B;
New->setBit(i, getBit(i));
do {
B = New->getBit(i);
New->setBit(i, B->resolveReferences(R));
Changed |= B != New->getBit(i);
} while (B != New->getBit(i));
}
if (Changed)
return New;
delete New;
return this;
RecTy *VarInit::getFieldType(const std::string &FieldName) const {
if (RecordRecTy *RTy = dynamic_cast<RecordRecTy*>(Ty))
if (const RecordVal *RV = RTy->getRecord()->getValue(FieldName))
return RV->getType();
return 0;
}
Init *VarBitInit::resolveReferences(Record &R) {
if (R.isTemplateArg(getVariable()->getName()))
return this;