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check that there are no unexpected operands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23359 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -803,21 +803,29 @@ void DAGISelEmitter::ParseAndResolveInstructions() {
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InstResults.erase(OpName);
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}
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// Loop over the inputs next.
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// Loop over the inputs next. Make a copy of InstInputs so we can destroy
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// the copy while we're checking the inputs.
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std::map<std::string, TreePatternNode*> InstInputsCheck(InstInputs);
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for (unsigned i = NumResults, e = CGI.OperandList.size(); i != e; ++i) {
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const std::string &OpName = CGI.OperandList[i].Name;
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if (OpName.empty())
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I->error("Operand #" + utostr(i) + " in operands list has no name!");
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if (!InstInputs.count(OpName))
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if (!InstInputsCheck.count(OpName))
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I->error("Operand $" + OpName +
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" does not appear in the instruction pattern");
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TreePatternNode *InVal = InstInputs[OpName];
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TreePatternNode *InVal = InstInputsCheck[OpName];
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InstInputsCheck.erase(OpName);
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if (CGI.OperandList[i].Ty != InVal->getType())
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I->error("Operand $" + OpName +
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"'s type disagrees between the operand and pattern");
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}
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if (!InstInputsCheck.empty())
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I->error("Input operand $" + InstInputsCheck.begin()->first +
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" occurs in pattern but not in operands list!");
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unsigned NumOperands = CGI.OperandList.size()-NumResults;
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DEBUG(I->dump());
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