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Generalize getFieldType to work on all TypedInits. Add a couple of testcases from

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Amaury Pouly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113010 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Greene 2010-09-03 21:00:49 +00:00
parent 190d0a54c1
commit 9703843dfa
4 changed files with 41 additions and 23 deletions
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14
test/TableGen/FieldAccess.td Normal file
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@ -0,0 +1,14 @@
// RUN: tblgen %s
class Bla<string t>
{
string blu = t;
}
class Bli<Bla t>
{
Bla bla = t;
}
def a : Bli<Bla<"">>;
def b : Bla<!cast<Bla>(a.bla).blu>; // works
def c : Bla<a.bla.blu>; // doesn't work: Cannot access field 'blu' of value 'a.bla'

10
test/TableGen/ListManip.td Normal file
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@ -0,0 +1,10 @@
// RUN: tblgen %s
class Bli<string _t>
{
string t = _t;
}
class Bla<list<Bli> _bli>
: Bli<!car(_bli).t>
{
}

28
utils/TableGen/Record.cpp
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@ -628,23 +628,6 @@ std::string UnOpInit::getAsString() const {
return Result + "(" + LHS->getAsString() + ")";
}
RecTy *UnOpInit::getFieldType(const std::string &FieldName) const {
switch (getOpcode()) {
default: assert(0 && "Unknown unop");
case CAST: {
RecordRecTy *RecordType = dynamic_cast<RecordRecTy *>(getType());
if (RecordType) {
RecordVal *Field = RecordType->getRecord()->getValue(FieldName);
if (Field) {
return Field->getType();
}
}
break;
}
}
return 0;
}
Init *BinOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) {
switch (getOpcode()) {
default: assert(0 && "Unknown binop");
@ -1046,6 +1029,17 @@ std::string TernOpInit::getAsString() const {
+ RHS->getAsString() + ")";
}
RecTy *TypedInit::getFieldType(const std::string &FieldName) const {
RecordRecTy *RecordType = dynamic_cast<RecordRecTy *>(getType());
if (RecordType) {
RecordVal *Field = RecordType->getRecord()->getValue(FieldName);
if (Field) {
return Field->getType();
}
}
return 0;
}
Init *TypedInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) {
BitsRecTy *T = dynamic_cast<BitsRecTy*>(getType());
if (T == 0) return 0; // Cannot subscript a non-bits variable...

12
utils/TableGen/Record.h
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@ -535,6 +535,12 @@ public:
virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits);
virtual Init *convertInitListSlice(const std::vector<unsigned> &Elements);
/// getFieldType - This method is used to implement the FieldInit class.
/// Implementors of this method should return the type of the named field if
/// they are of record type.
///
virtual RecTy *getFieldType(const std::string &FieldName) const;
/// resolveBitReference - This method is used to implement
/// VarBitInit::resolveReferences. If the bit is able to be resolved, we
/// simply return the resolved value, otherwise we return null.
@ -835,12 +841,6 @@ public:
virtual Init *resolveReferences(Record &R, const RecordVal *RV);
/// getFieldType - This method is used to implement the FieldInit class.
/// Implementors of this method should return the type of the named field if
/// they are of record type.
///
virtual RecTy *getFieldType(const std::string &FieldName) const;
virtual std::string getAsString() const;
};