From 802e2e741c6bd71f6ca260ce4db696fc5d5d6739 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@gmail.com>
Date: Thu, 18 Feb 2016 04:54:32 +0000
Subject: [PATCH] [TableGen,X86] Add NDEBUG check to a variable initialization
 that's only used by asserts. NFC

llvm-svn: 261188
---
 llvm/utils/TableGen/X86RecognizableInstr.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/llvm/utils/TableGen/X86RecognizableInstr.cpp b/llvm/utils/TableGen/X86RecognizableInstr.cpp
index caae0fc39078..1382f7db22ce 100644
--- a/llvm/utils/TableGen/X86RecognizableInstr.cpp
+++ b/llvm/utils/TableGen/X86RecognizableInstr.cpp
@@ -561,6 +561,7 @@ void RecognizableInstr::emitInstructionSpecifier() {
   // physicalOperandIndex should always be < numPhysicalOperands
   unsigned physicalOperandIndex = 0;
 
+#ifndef NDEBUG
   // Given the set of prefix bits, how many additional operands does the
   // instruction have?
   unsigned additionalOperands = 0;
@@ -568,6 +569,7 @@ void RecognizableInstr::emitInstructionSpecifier() {
     ++additionalOperands;
   if (HasEVEX_K)
     ++additionalOperands;
+#endif
 
   switch (Form) {
   default: llvm_unreachable("Unhandled form");