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Have tblgen produce code that tolerates operands that return an invalid match class.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135287 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Kevin Enderby 2011-07-15 18:30:43 +00:00
parent 71400b6afa
commit 893818347e
1 changed files with 4 additions and 0 deletions
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4
utils/TableGen/AsmMatcherEmitter.cpp
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@ -1656,6 +1656,10 @@ static void EmitValidateOperandClass(AsmMatcherInfo &Info,
OS << " " << Info.Target.getName() << "Operand &Operand = *("
<< Info.Target.getName() << "Operand*)GOp;\n";
// The InvalidMatchClass is not to match any operand.
OS << " if (Kind == InvalidMatchClass)\n";
OS << " return false;\n\n";
// Check for Token operands first.
OS << " if (Operand.isToken())\n";
OS << " return MatchTokenString(Operand.getToken()) == Kind;\n\n";