produce an error on invalid input instead of asserting:

def : Pat<((v2f64 (vector_shuffle immAllZerosV_bc,
           ^

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49462 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/utils/TableGen/TGParser.cpp b/utils/TableGen/TGParser.cpp
index 65b6b818493c868819a412bfb47020d493d524d3..68a1cba3da5f0662ac105d294657cf85d46ea627 100644 (file)
--- a/utils/TableGen/TGParser.cpp
+++ b/utils/TableGen/TGParser.cpp
@@ -616,6 +616,11 @@ Init *TGParser::ParseSimpleValue(Record *CurRec) {
   }
   case tgtok::l_paren: {         // Value ::= '(' IDValue DagArgList ')'
     Lex.Lex();   // eat the '('
+    if (Lex.getCode() != tgtok::Id) {
+      TokError("expected identifier in dag init");
+      return 0;
+    }
+    
     Init *Operator = ParseIDValue(CurRec);
     if (Operator == 0) return 0;