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Check that operands have unique names. REJECT instructions with broken operand

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lists: only don't parse them if they are entirely missing (sparcv9).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23355 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-09-14 21:05:02 +00:00
parent 3a7319d5ed
commit 5d7d3dba9c
1 changed files with 39 additions and 29 deletions
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68
utils/TableGen/CodeGenTarget.cpp
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@ -18,6 +18,7 @@
#include "Record.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/CommandLine.h"
#include <set>
using namespace llvm;
static cl::opt<unsigned>
@ -250,39 +251,48 @@ CodeGenInstruction::CodeGenInstruction(Record *R, const std::string &AsmStr)
usesCustomDAGSchedInserter = R->getValueAsBit("usesCustomDAGSchedInserter");
hasVariableNumberOfOperands = false;
DagInit *DI;
try {
DagInit *DI = R->getValueAsDag("OperandList");
unsigned MIOperandNo = 0;
for (unsigned i = 0, e = DI->getNumArgs(); i != e; ++i)
if (DefInit *Arg = dynamic_cast<DefInit*>(DI->getArg(i))) {
Record *Rec = Arg->getDef();
MVT::ValueType Ty;
std::string PrintMethod = "printOperand";
unsigned NumOps = 1;
if (Rec->isSubClassOf("RegisterClass")) {
Ty = getValueType(Rec->getValueAsDef("RegType"));
} 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;
continue;
} else
throw "Unknown operand class '" + Rec->getName() +
"' in instruction '" + R->getName() + "' instruction!";
OperandList.push_back(OperandInfo(Rec, Ty, DI->getArgName(i),
PrintMethod, MIOperandNo, NumOps));
MIOperandNo += NumOps;
} else {
throw "Illegal operand for the '" + R->getName() + "' instruction!";
}
DI = R->getValueAsDag("OperandList");
} catch (...) {
// Error parsing operands list, just ignore it.
// Error getting operand list, just ignore it (sparcv9).
AsmString.clear();
OperandList.clear();
return;
}
unsigned MIOperandNo = 0;
std::set<std::string> OperandNames;
for (unsigned i = 0, e = DI->getNumArgs(); i != e; ++i) {
DefInit *Arg = dynamic_cast<DefInit*>(DI->getArg(i));
if (!Arg)
throw "Illegal operand for the '" + R->getName() + "' instruction!";
Record *Rec = Arg->getDef();
MVT::ValueType Ty;
std::string PrintMethod = "printOperand";
unsigned NumOps = 1;
if (Rec->isSubClassOf("RegisterClass")) {
Ty = getValueType(Rec->getValueAsDef("RegType"));
} 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;
continue;
} else
throw "Unknown operand class '" + Rec->getName() +
"' in instruction '" + R->getName() + "' instruction!";
if (!DI->getArgName(i).empty() &&
!OperandNames.insert(DI->getArgName(i)).second)
throw "In instruction '" + R->getName() + "', operand #" + utostr(i) +
" has the same name as a previous operand!";
OperandList.push_back(OperandInfo(Rec, Ty, DI->getArgName(i),
PrintMethod, MIOperandNo, NumOps));
MIOperandNo += NumOps;
}
}