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rewrite ParseMDNodeVector to follow the normal patter used in the .ll parser.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92292 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-12-30 04:42:57 +00:00
parent 4a72efc0ad
commit a73523958d
2 changed files with 40 additions and 31 deletions
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69
lib/AsmParser/LLParser.cpp
View File

@ -2430,6 +2430,30 @@ bool LLParser::ConvertGlobalValIDToValue(const Type *Ty, ValID &ID,
}
}
/// ConvertGlobalOrMetadataValIDToValue - Apply a type to a ValID to get a fully
/// resolved constant or metadata value.
bool LLParser::ConvertGlobalOrMetadataValIDToValue(const Type *Ty, ValID &ID,
Value *&V) {
switch (ID.Kind) {
case ValID::t_MDNode:
if (!Ty->isMetadataTy())
return Error(ID.Loc, "metadata value must have metadata type");
V = ID.MDNodeVal;
return false;
case ValID::t_MDString:
if (!Ty->isMetadataTy())
return Error(ID.Loc, "metadata value must have metadata type");
V = ID.MDStringVal;
return false;
default:
Constant *C;
if (ConvertGlobalValIDToValue(Ty, ID, C)) return true;
V = C;
return false;
}
}
bool LLParser::ParseGlobalTypeAndValue(Constant *&V) {
PATypeHolder Type(Type::getVoidTy(Context));
return ParseType(Type) ||
@ -2469,8 +2493,6 @@ bool LLParser::ConvertValIDToValue(const Type *Ty, ValID &ID, Value *&V,
switch (ID.Kind) {
case ValID::t_LocalID: V = PFS.GetVal(ID.UIntVal, Ty, ID.Loc); break;
case ValID::t_LocalName: V = PFS.GetVal(ID.StrVal, Ty, ID.Loc); break;
case ValID::t_MDNode: V = ID.MDNodeVal; break;
case ValID::t_MDString: V = ID.MDStringVal; break;
case ValID::t_InlineAsm: {
const PointerType *PTy = dyn_cast<PointerType>(Ty);
const FunctionType *FTy =
@ -2480,12 +2502,8 @@ bool LLParser::ConvertValIDToValue(const Type *Ty, ValID &ID, Value *&V,
V = InlineAsm::get(FTy, ID.StrVal, ID.StrVal2, ID.UIntVal&1, ID.UIntVal>>1);
return false;
}
default: {
Constant *C;
if (ConvertGlobalValIDToValue(Ty, ID, C)) return true;
V = C;
return false;
}
default:
return ConvertGlobalOrMetadataValIDToValue(Ty, ID, V);
}
return V == 0;
@ -3799,30 +3817,19 @@ bool LLParser::ParseInsertValue(Instruction *&Inst, PerFunctionState &PFS) {
/// ::= 'null' | TypeAndValue
bool LLParser::ParseMDNodeVector(SmallVectorImpl<Value*> &Elts) {
do {
Value *V = 0;
// FIXME: REWRITE.
if (Lex.getKind() == lltok::kw_null) {
Lex.Lex();
V = 0;
} else {
PATypeHolder Ty(Type::getVoidTy(Context));
if (ParseType(Ty)) return true;
if (Lex.getKind() == lltok::Metadata) {
Lex.Lex();
MDNode *Node = 0;
if (!ParseMDNodeID(Node))
V = Node;
else {
MDString *MDS = 0;
if (ParseMDString(MDS)) return true;
V = MDS;
}
} else {
Constant *C;
if (ParseGlobalValue(Ty, C)) return true;
V = C;
}
// Null is a special case since it is typeless.
if (EatIfPresent(lltok::kw_null)) {
Elts.push_back(0);
continue;
}
Value *V = 0;
PATypeHolder Ty(Type::getVoidTy(Context));
ValID ID;
if (ParseType(Ty) || ParseValID(ID) ||
ConvertGlobalOrMetadataValIDToValue(Ty, ID, V))
return true;
Elts.push_back(V);
} while (EatIfPresent(lltok::comma));

2
lib/AsmParser/LLParser.h
View File

@ -213,6 +213,8 @@ namespace llvm {
// Constants.
bool ParseValID(ValID &ID);
bool ConvertGlobalValIDToValue(const Type *Ty, ValID &ID, Constant *&V);
bool ConvertGlobalOrMetadataValIDToValue(const Type *Ty, ValID &ID,
Value *&V);
bool ParseGlobalValue(const Type *Ty, Constant *&V);
bool ParseGlobalTypeAndValue(Constant *&V);
bool ParseGlobalValueVector(SmallVectorImpl<Constant*> &Elts);