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SDTCisVT<0, isVoid> is not valid, reject it.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99744 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-03-28 06:04:39 +00:00
parent 0b5d4908dd
commit c812261221
1 changed files with 3 additions and 0 deletions
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3
utils/TableGen/CodeGenDAGPatterns.cpp
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@ -524,6 +524,9 @@ SDTypeConstraint::SDTypeConstraint(Record *R) {
if (R->isSubClassOf("SDTCisVT")) {
ConstraintType = SDTCisVT;
x.SDTCisVT_Info.VT = getValueType(R->getValueAsDef("VT"));
if (x.SDTCisVT_Info.VT == MVT::isVoid)
throw TGError(R->getLoc(), "Cannot use 'Void' as type to SDTCisVT");
} else if (R->isSubClassOf("SDTCisPtrTy")) {
ConstraintType = SDTCisPtrTy;
} else if (R->isSubClassOf("SDTCisInt")) {