MIR Parser: Extract the MDNode parsing code into a separate method. NFC.

This change would allow the machine instruction parser to reuse this method when
parsing the metadata node for the machine instruction's debug location property.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242934 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alex Lorenz 2015-07-22 21:07:04 +00:00
parent 380de5479c
commit d02a9a798c

View File

@ -112,6 +112,7 @@ public:
bool parseConstantPoolIndexOperand(MachineOperand &Dest);
bool parseJumpTableIndexOperand(MachineOperand &Dest);
bool parseExternalSymbolOperand(MachineOperand &Dest);
bool parseMDNode(MDNode *&Node);
bool parseMetadataOperand(MachineOperand &Dest);
bool parseCFIOffset(int &Offset);
bool parseCFIOperand(MachineOperand &Dest);
@ -576,7 +577,7 @@ bool MIParser::parseExternalSymbolOperand(MachineOperand &Dest) {
return false;
}
bool MIParser::parseMetadataOperand(MachineOperand &Dest) {
bool MIParser::parseMDNode(MDNode *&Node) {
assert(Token.is(MIToken::exclaim));
auto Loc = Token.location();
lex();
@ -589,7 +590,15 @@ bool MIParser::parseMetadataOperand(MachineOperand &Dest) {
if (NodeInfo == IRSlots.MetadataNodes.end())
return error(Loc, "use of undefined metadata '!" + Twine(ID) + "'");
lex();
Dest = MachineOperand::CreateMetadata(NodeInfo->second.get());
Node = NodeInfo->second.get();
return false;
}
bool MIParser::parseMetadataOperand(MachineOperand &Dest) {
MDNode *Node = nullptr;
if (parseMDNode(Node))
return true;
Dest = MachineOperand::CreateMetadata(Node);
return false;
}