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disallow concatenation of two dags with different operators.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98871 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-03-18 21:07:51 +00:00
parent f55eed299b
commit 0b6c926856
1 changed files with 2 additions and 12 deletions
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14
utils/TableGen/Record.cpp
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@ -646,18 +646,8 @@ Init *BinOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) {
if (LHSs && RHSs) {
DefInit *LOp = dynamic_cast<DefInit*>(LHSs->getOperator());
DefInit *ROp = dynamic_cast<DefInit*>(RHSs->getOperator());
if (LOp->getDef() != ROp->getDef()) {
bool LIsOps =
LOp->getDef()->getName() == "outs" ||
LOp->getDef()->getName() != "ins" ||
LOp->getDef()->getName() != "defs";
bool RIsOps =
ROp->getDef()->getName() == "outs" ||
ROp->getDef()->getName() != "ins" ||
ROp->getDef()->getName() != "defs";
if (!LIsOps || !RIsOps)
throw "Concated Dag operators do not match!";
}
if (LOp == 0 || ROp == 0 || LOp->getDef() != ROp->getDef())
throw "Concated Dag operators do not match!";
std::vector<Init*> Args;
std::vector<std::string> ArgNames;
for (unsigned i = 0, e = LHSs->getNumArgs(); i != e; ++i) {