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MIR Serialization: Serialize the metadata machine operands.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242916 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alex Lorenz
2015-07-22 17:58:46 +00:00
parent c59ca90970
commit 03c5b6047e
7 changed files with 212 additions and 0 deletions
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20
lib/CodeGen/MIRParser/MIParser.cpp
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@@ -112,6 +112,7 @@ public:
bool parseConstantPoolIndexOperand(MachineOperand &Dest);
bool parseJumpTableIndexOperand(MachineOperand &Dest);
bool parseExternalSymbolOperand(MachineOperand &Dest);
bool parseMetadataOperand(MachineOperand &Dest);
bool parseCFIOffset(int &Offset);
bool parseCFIOperand(MachineOperand &Dest);
bool parseMachineOperand(MachineOperand &Dest);
@@ -575,6 +576,23 @@ bool MIParser::parseExternalSymbolOperand(MachineOperand &Dest) {
return false;
}
bool MIParser::parseMetadataOperand(MachineOperand &Dest) {
assert(Token.is(MIToken::exclaim));
auto Loc = Token.location();
lex();
if (Token.isNot(MIToken::IntegerLiteral) || Token.integerValue().isSigned())
return error("expected metadata id after '!'");
unsigned ID;
if (getUnsigned(ID))
return true;
auto NodeInfo = IRSlots.MetadataNodes.find(ID);
if (NodeInfo == IRSlots.MetadataNodes.end())
return error(Loc, "use of undefined metadata '!" + Twine(ID) + "'");
lex();
Dest = MachineOperand::CreateMetadata(NodeInfo->second.get());
return false;
}
bool MIParser::parseCFIOffset(int &Offset) {
if (Token.isNot(MIToken::IntegerLiteral))
return error("expected a cfi offset");
@@ -628,6 +646,8 @@ bool MIParser::parseMachineOperand(MachineOperand &Dest) {
case MIToken::ExternalSymbol:
case MIToken::QuotedExternalSymbol:
return parseExternalSymbolOperand(Dest);
case MIToken::exclaim:
return parseMetadataOperand(Dest);
case MIToken::kw_cfi_def_cfa_offset:
return parseCFIOperand(Dest);
case MIToken::Error: