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MIR Serialization: Serialize immediate machine operands.

Browse Source 
Reviewers: Duncan P. N. Exon Smith

Differential Revision: http://reviews.llvm.org/D10573


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240481 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alex Lorenz
2015-06-23 23:42:28 +00:00
parent c2d796297f
commit ac57f351bd
5 changed files with 79 additions and 2 deletions
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14
lib/CodeGen/MIRParser/MIParser.cpp
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@ -57,6 +57,7 @@ public:
bool parseRegister(unsigned &Reg);
bool parseRegisterOperand(MachineOperand &Dest, bool IsDef = false);
bool parseImmediateOperand(MachineOperand &Dest);
bool parseMachineOperand(MachineOperand &Dest);
private:
@ -197,10 +198,23 @@ bool MIParser::parseRegisterOperand(MachineOperand &Dest, bool IsDef) {
return false;
}
bool MIParser::parseImmediateOperand(MachineOperand &Dest) {
assert(Token.is(MIToken::IntegerLiteral));
const APSInt &Int = Token.integerValue();
if (Int.getMinSignedBits() > 64)
// TODO: Replace this with an error when we can parse CIMM Machine Operands.
llvm_unreachable("Can't parse large integer literals yet!");
Dest = MachineOperand::CreateImm(Int.getExtValue());
lex();
return false;
}
bool MIParser::parseMachineOperand(MachineOperand &Dest) {
switch (Token.kind()) {
case MIToken::NamedRegister:
return parseRegisterOperand(Dest);
case MIToken::IntegerLiteral:
return parseImmediateOperand(Dest);
case MIToken::Error:
return true;
default: