6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-03-27 14:32:21 +00:00
Code Issues Projects Releases Wiki Activity

Factor out metadata parsing into a separate function.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108343 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2010-07-14 18:26:50 +00:00
parent 9fe2c67045
commit 834480374b
2 changed files with 39 additions and 27 deletions

65
lib/AsmParser/LLParser.cpp

@ -2022,33 +2022,8 @@ bool LLParser::ParseValID(ValID &ID, PerFunctionState *PFS) {
ID.StrVal = Lex.getStrVal();
ID.Kind = ValID::t_LocalName;
break;
case lltok::exclaim: // !{...} MDNode, !"foo" MDString
Lex.Lex();
if (EatIfPresent(lltok::lbrace)) {
SmallVector<Value*, 16> Elts;
if (ParseMDNodeVector(Elts, PFS) ||
ParseToken(lltok::rbrace, "expected end of metadata node"))
return true;
ID.MDNodeVal = MDNode::get(Context, Elts.data(), Elts.size());
ID.Kind = ValID::t_MDNode;
return false;
}
// Standalone metadata reference
// !{ ..., !42, ... }
if (Lex.getKind() == lltok::APSInt) {
if (ParseMDNodeID(ID.MDNodeVal)) return true;
ID.Kind = ValID::t_MDNode;
return false;
}
// MDString:
// ::= '!' STRINGCONSTANT
if (ParseMDString(ID.MDStringVal)) return true;
ID.Kind = ValID::t_MDString;
return false;
case lltok::exclaim: // !42, !{...}, or !"foo"
return ParseMetadataValue(ID, PFS);
case lltok::APSInt:
ID.APSIntVal = Lex.getAPSIntVal();
ID.Kind = ValID::t_APSInt;
@ -2529,6 +2504,42 @@ bool LLParser::ParseGlobalValueVector(SmallVectorImpl<Constant*> &Elts) {
return false;
}
/// ParseMetadataValue
/// ::= !42
/// ::= !{...}
/// ::= !"string"
bool LLParser::ParseMetadataValue(ValID &ID, PerFunctionState *PFS) {
assert(Lex.getKind() == lltok::exclaim);
Lex.Lex();
// MDNode:
// !{ ... }
if (EatIfPresent(lltok::lbrace)) {
SmallVector<Value*, 16> Elts;
if (ParseMDNodeVector(Elts, PFS) ||
ParseToken(lltok::rbrace, "expected end of metadata node"))
return true;
ID.MDNodeVal = MDNode::get(Context, Elts.data(), Elts.size());
ID.Kind = ValID::t_MDNode;
return false;
}
// Standalone metadata reference
// !42
if (Lex.getKind() == lltok::APSInt) {
if (ParseMDNodeID(ID.MDNodeVal)) return true;
ID.Kind = ValID::t_MDNode;
return false;
}
// MDString:
// ::= '!' STRINGCONSTANT
if (ParseMDString(ID.MDStringVal)) return true;
ID.Kind = ValID::t_MDString;
return false;
}
//===----------------------------------------------------------------------===//
// Function Parsing.

1
lib/AsmParser/LLParser.h

@ -308,6 +308,7 @@ namespace llvm {
bool ParseGlobalValue(const Type *Ty, Constant *&V);
bool ParseGlobalTypeAndValue(Constant *&V);
bool ParseGlobalValueVector(SmallVectorImpl<Constant*> &Elts);
bool ParseMetadataValue(ValID &ID, PerFunctionState *PFS);
bool ParseMDNodeVector(SmallVectorImpl<Value*> &, PerFunctionState *PFS);
// Function Parsing.