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Reserve number of MI operands to accom,odate complex patterns. 

llvm-svn: 153125
This commit is contained in:
Evan Cheng 2012-03-20 21:07:51 +00:00
parent fbb2e46299
commit 630a7f3064
1 changed files with 4 additions and 1 deletions
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5
llvm/utils/TableGen/PseudoLoweringEmitter.cpp
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@ -100,8 +100,11 @@ void PseudoLoweringEmitter::evaluateExpansion(Record *Rec) {
throw TGError(Rec->getLoc(), "Pseudo result '" + Operator->getName() +
"' operand count mismatch");
unsigned NumMIOperands = 0;
for (unsigned i = 0, e = Insn.Operands.size(); i != e; ++i)
NumMIOperands += Insn.Operands[i].MINumOperands;
IndexedMap<OpData> OperandMap;
OperandMap.grow(Insn.Operands.size());
OperandMap.grow(NumMIOperands);
addDagOperandMapping(Rec, Dag, Insn, OperandMap, 0);