TableGen: Assembly matcher 'insufficient operands' diagnostic.
Make sure the tblgen'erated asm matcher correctly returns numoperands+1
as the ErrorInfo when the problem was that there weren't enough operands
specified.
rdar://9142751
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160144 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/AsmMatcherEmitter.cpp b/utils/TableGen/AsmMatcherEmitter.cpp
index f5e094e..da493b3 100644
--- a/utils/TableGen/AsmMatcherEmitter.cpp
+++ b/utils/TableGen/AsmMatcherEmitter.cpp
@@ -2649,6 +2649,7 @@
OS << " for (unsigned i = 0; i != " << MaxNumOperands << "; ++i) {\n";
OS << " if (i + 1 >= Operands.size()) {\n";
OS << " OperandsValid = (it->Classes[i] == " <<"InvalidMatchClass);\n";
+ OS << " if (!OperandsValid) ErrorInfo = i + 1;\n;";
OS << " break;\n";
OS << " }\n";
OS << " unsigned Diag = validateOperandClass(Operands[i+1],\n";