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Figure out how many operands each instruction has, keep track of whether

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or not it's variable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22885 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-08-18 23:38:41 +00:00
parent c15ed447f4
commit cfbf96aa9c
2 changed files with 12 additions and 6 deletions
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7
utils/TableGen/CodeGenInstruction.h
View File

@ -56,10 +56,12 @@ namespace llvm {
/// OperandList may not match the MachineInstr operand num. Until it
/// does, this contains the MI operand index of this operand.
unsigned MIOperandNo;
unsigned MINumOperands; // The number of operands.
OperandInfo(Record *R, MVT::ValueType T, const std::string &N,
const std::string &PMN, unsigned MION)
: Rec(R), Ty(T), Name(N), PrinterMethodName(PMN), MIOperandNo(MION) {}
const std::string &PMN, unsigned MION, unsigned MINO)
: Rec(R), Ty(T), Name(N), PrinterMethodName(PMN), MIOperandNo(MION),
MINumOperands(MINO) {}
};
/// OperandList - The list of declared operands, along with their declared
@ -78,6 +80,7 @@ namespace llvm {
bool isCommutable;
bool isTerminator;
bool hasDelaySlot;
bool hasVariableNumberOfOperands;
CodeGenInstruction(Record *R, const std::string &AsmStr);

11
utils/TableGen/CodeGenTarget.cpp
View File

@ -237,7 +237,8 @@ CodeGenInstruction::CodeGenInstruction(Record *R, const std::string &AsmStr)
isCommutable = R->getValueAsBit("isCommutable");
isTerminator = R->getValueAsBit("isTerminator");
hasDelaySlot = R->getValueAsBit("hasDelaySlot");
hasVariableNumberOfOperands = false;
try {
DagInit *DI = R->getValueAsDag("OperandList");
@ -248,18 +249,20 @@ CodeGenInstruction::CodeGenInstruction(Record *R, const std::string &AsmStr)
MVT::ValueType Ty;
std::string PrintMethod = "printOperand";
unsigned NumOps = 1;
if (Rec->isSubClassOf("RegisterClass"))
if (Rec->isSubClassOf("RegisterClass")) {
Ty = getValueType(Rec->getValueAsDef("RegType"));
else if (Rec->isSubClassOf("Operand")) {
} else if (Rec->isSubClassOf("Operand")) {
Ty = getValueType(Rec->getValueAsDef("Type"));
PrintMethod = Rec->getValueAsString("PrintMethod");
NumOps = Rec->getValueAsInt("NumMIOperands");
} else if (Rec->getName() == "variable_ops") {
hasVariableNumberOfOperands = true;
} else
throw "Unknown operand class '" + Rec->getName() +
"' in instruction '" + R->getName() + "' instruction!";
OperandList.push_back(OperandInfo(Rec, Ty, DI->getArgName(i),
PrintMethod, MIOperandNo));
PrintMethod, MIOperandNo, NumOps));
MIOperandNo += NumOps;
} else {
throw "Illegal operand for the '" + R->getName() + "' instruction!";