Add support in the disassembler for ignoring the L-bit on certain VEX instructions. Mark instructions that have this behavior. Fixes PR10676.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141065 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/X86RecognizableInstr.h b/utils/TableGen/X86RecognizableInstr.h
index 0b600df..4441597 100644
--- a/utils/TableGen/X86RecognizableInstr.h
+++ b/utils/TableGen/X86RecognizableInstr.h
@@ -60,6 +60,8 @@
   bool HasVEX_WPrefix;
   /// Inferred from the operands; indicates whether the L bit in the VEX prefix is set
   bool HasVEX_LPrefix;
+  // The ignoreVEX_L field from the record
+  bool IgnoresVEX_L;
   /// The hasLockPrefix field from the record
   bool HasLockPrefix;
   /// The isCodeGenOnly filed from the record