Fix issue with invalid flat operand number

Avoid iterating over list of operands beyond the number of operands in it.

PS: this fixes issue with revision #167634.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167635 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/utils/TableGen/CodeEmitterGen.cpp b/utils/TableGen/CodeEmitterGen.cpp
index bcca15cd57e0292f5a651531bba2d81e53a43c5c..3e4f626d4862be32eb91752efb7bc11b7ad09998 100644 (file)
--- a/utils/TableGen/CodeEmitterGen.cpp
+++ b/utils/TableGen/CodeEmitterGen.cpp
@@ -140,9 +140,7 @@ AddCodeToMergeInOperand(Record *R, BitsInit *BI, const std::string &VarName,
     while (NumberedOp < NumberOps &&
            CGI.Operands.isFlatOperandNotEmitted(NumberedOp))
       ++NumberedOp;
-    // If this operand has not been found, ignore it.
-    if (NumberedOp >= NumberOps)
-      return;
+
     OpIdx = NumberedOp++;
   }