Better Error Reporting
Report missing template arguments more helpfully by supplying the name
of the missing argument in the error message.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140034 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/TGParser.cpp b/utils/TableGen/TGParser.cpp
index 36e9b82..f734b98 100644
--- a/utils/TableGen/TGParser.cpp
+++ b/utils/TableGen/TGParser.cpp
@@ -1416,6 +1416,10 @@
if (ArgsRec != 0 && EltTy == 0) {
const std::vector<std::string> &TArgs = ArgsRec->getTemplateArgs();
const RecordVal *RV = ArgsRec->getValue(TArgs[ArgN]);
+ if (!RV) {
+ errs() << "Cannot find template arg " << ArgN << " (" << TArgs[ArgN]
+ << ")\n";
+ }
assert(RV && "Template argument record not found??");
ItemType = RV->getType();
++ArgN;