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add support for DagInit initializers, which represent DAG patterns

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7576 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-08-04 20:44:17 +00:00
parent 7c1af88b8e
commit 8e9a9774eb
4 changed files with 68 additions and 2 deletions
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11
support/tools/TableGen/Record.cpp
View File

@ -434,6 +434,17 @@ Init *FieldInit::resolveReferences(Record &R) {
}
void DagInit::print(std::ostream &OS) const {
OS << "(" << NodeTypeDef->getName();
if (Args.size()) {
OS << " " << *Args[0];
for (unsigned i = 1, e = Args.size(); i != e; ++i)
OS << ", " << *Args[i];
}
OS << ")";
}
//===----------------------------------------------------------------------===//
// Other implementations
//===----------------------------------------------------------------------===//

24
support/tools/TableGen/Record.h
View File

@ -34,6 +34,7 @@ class StringInit;
class CodeInit;
class ListInit;
class DefInit;
class DagInit;
class TypedInit;
class VarInit;
class FieldInit;
@ -66,6 +67,7 @@ public: // These methods should only be called from subclasses of Init
virtual Init *convertValue( CodeInit *CI) { return 0; }
virtual Init *convertValue(VarBitInit *VB) { return 0; }
virtual Init *convertValue( DefInit *DI) { return 0; }
virtual Init *convertValue( DagInit *DI) { return 0; }
virtual Init *convertValue( TypedInit *TI) { return 0; }
virtual Init *convertValue( VarInit *VI) {
return convertValue((TypedInit*)VI);
@ -221,7 +223,7 @@ struct CodeRecTy : public RecTy {
///
struct DagRecTy : public RecTy {
Init *convertValue(UnsetInit *UI) { return (Init*)UI; }
//Init *convertValue( DagInit *CI) { return (Init*)CI; }
Init *convertValue( DagInit *CI) { return (Init*)CI; }
Init *convertValue(TypedInit *TI);
void print(std::ostream &OS) const { OS << "dag"; }
@ -582,6 +584,26 @@ public:
}
};
/// DagInit - (def a, b) - Represent a DAG tree value. DAG inits are required
/// to have Records for their first value, after that, any legal Init is
/// possible.
///
class DagInit : public Init {
Record *NodeTypeDef;
std::vector<Init*> Args;
public:
DagInit(Record *D, std::vector<Init*> &a) : NodeTypeDef(D) {
Args.swap(a); // DESTRUCTIVELY take the arguments
}
virtual Init *convertInitializerTo(RecTy *Ty) {
return Ty->convertValue(this);
}
Record *getNodeType() const { return NodeTypeDef; }
virtual void print(std::ostream &OS) const;
};
//===----------------------------------------------------------------------===//
// High-Level Classes

11
utils/TableGen/Record.cpp
View File

@ -434,6 +434,17 @@ Init *FieldInit::resolveReferences(Record &R) {
}
void DagInit::print(std::ostream &OS) const {
OS << "(" << NodeTypeDef->getName();
if (Args.size()) {
OS << " " << *Args[0];
for (unsigned i = 1, e = Args.size(); i != e; ++i)
OS << ", " << *Args[i];
}
OS << ")";
}
//===----------------------------------------------------------------------===//
// Other implementations
//===----------------------------------------------------------------------===//

24
utils/TableGen/Record.h
View File

@ -34,6 +34,7 @@ class StringInit;
class CodeInit;
class ListInit;
class DefInit;
class DagInit;
class TypedInit;
class VarInit;
class FieldInit;
@ -66,6 +67,7 @@ public: // These methods should only be called from subclasses of Init
virtual Init *convertValue( CodeInit *CI) { return 0; }
virtual Init *convertValue(VarBitInit *VB) { return 0; }
virtual Init *convertValue( DefInit *DI) { return 0; }
virtual Init *convertValue( DagInit *DI) { return 0; }
virtual Init *convertValue( TypedInit *TI) { return 0; }
virtual Init *convertValue( VarInit *VI) {
return convertValue((TypedInit*)VI);
@ -221,7 +223,7 @@ struct CodeRecTy : public RecTy {
///
struct DagRecTy : public RecTy {
Init *convertValue(UnsetInit *UI) { return (Init*)UI; }
//Init *convertValue( DagInit *CI) { return (Init*)CI; }
Init *convertValue( DagInit *CI) { return (Init*)CI; }
Init *convertValue(TypedInit *TI);
void print(std::ostream &OS) const { OS << "dag"; }
@ -582,6 +584,26 @@ public:
}
};
/// DagInit - (def a, b) - Represent a DAG tree value. DAG inits are required
/// to have Records for their first value, after that, any legal Init is
/// possible.
///
class DagInit : public Init {
Record *NodeTypeDef;
std::vector<Init*> Args;
public:
DagInit(Record *D, std::vector<Init*> &a) : NodeTypeDef(D) {
Args.swap(a); // DESTRUCTIVELY take the arguments
}
virtual Init *convertInitializerTo(RecTy *Ty) {
return Ty->convertValue(this);
}
Record *getNodeType() const { return NodeTypeDef; }
virtual void print(std::ostream &OS) const;
};
//===----------------------------------------------------------------------===//
// High-Level Classes