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TblGen diagnostic for mismatched template instantiation.

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Providing a template argment to a non-templatized class was crashing
tblgen. Add a diagnostic.

For example,
$ cat bug.td
class A;

def B : A<0> {
}
$ llvm-tblgen bug.td
bug.td:3:11: error: template argument provided to non-template class
def B : A<0> {
          ^

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148565 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2012-01-20 20:02:39 +00:00
parent 6d56730ab8
commit b1320cb381
1 changed files with 4 additions and 0 deletions
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4
lib/TableGen/TGParser.cpp
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@ -1516,6 +1516,10 @@ std::vector<Init*> TGParser::ParseValueList(Record *CurRec, Record *ArgsRec,
unsigned int ArgN = 0;
if (ArgsRec != 0 && EltTy == 0) {
const std::vector<Init *> &TArgs = ArgsRec->getTemplateArgs();
if (!TArgs.size()) {
TokError("template argument provided to non-template class");
return std::vector<Init*>();
}
const RecordVal *RV = ArgsRec->getValue(TArgs[ArgN]);
if (!RV) {
errs() << "Cannot find template arg " << ArgN << " (" << TArgs[ArgN]