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Move InstAlias check of argument types to a separate loop. 

llvm-svn: 123934
This commit is contained in:
Bob Wilson 2011-01-20 18:38:10 +00:00
parent 266d2ba124
commit a48eacc0b6
1 changed files with 14 additions and 11 deletions
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25
llvm/utils/TableGen/CodeGenInstruction.cpp
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@ -403,6 +403,20 @@ CodeGenInstAlias::CodeGenInstAlias(Record *R, CodeGenTarget &T) : TheDef(R) {
// NameClass - If argument names are repeated, we need to verify they have
// the same class.
StringMap<Record*> NameClass;
for (unsigned i = 0, e = Result->getNumArgs(); i != e; ++i) {
DefInit *ADI = dynamic_cast<DefInit*>(Result->getArg(i));
if (!ADI || Result->getArgName(i).empty())
continue;
// Verify we don't have something like: (someinst GR16:$foo, GR32:$foo)
// $foo can exist multiple times in the result list, but it must have the
// same type.
Record *&Entry = NameClass[Result->getArgName(i)];
if (Entry && Entry != ADI->getDef())
throw TGError(R->getLoc(), "result value $" + Result->getArgName(i) +
" is both " + Entry->getName() + " and " +
ADI->getDef()->getName() + "!");
Entry = ADI->getDef();
}
// Decode and validate the arguments of the result.
unsigned AliasOpNo = 0;
@ -474,17 +488,6 @@ CodeGenInstAlias::CodeGenInstAlias(Record *R, CodeGenTarget &T) : TheDef(R) {
", instruction operand is class " +
ResultOpRec->getName());
// Verify we don't have something like: (someinst GR16:$foo, GR32:$foo)
// $foo can exist multiple times in the result list, but it must have the
// same type.
Record *&Entry = NameClass[Result->getArgName(AliasOpNo)];
if (Entry && Entry != ADI->getDef())
throw TGError(R->getLoc(), "result value $" +
Result->getArgName(AliasOpNo) +
" is both " + Entry->getName() + " and " +
ADI->getDef()->getName() + "!");
Entry = ADI->getDef();
// Now that it is validated, add it.
ResultOperands.push_back(ResultOperand(Result->getArgName(AliasOpNo),
ADI->getDef()));