From: Craig Topper <craig.topper@gmail.com>
Date: Wed, 22 Mar 2017 06:07:58 +0000 (+0000)
Subject: [X86] Remove an unused function from release builds. Reported by gccs unused function... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9121f7ee152ffcd2ae12ce24ffb310baabdae8f8;p=llvm

[X86] Remove an unused function from release builds. Reported by gccs unused function warning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298485 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86VZeroUpper.cpp b/lib/Target/X86/X86VZeroUpper.cpp
index 41f6219922f..d17dfac6a99 100644
--- a/lib/Target/X86/X86VZeroUpper.cpp
+++ b/lib/Target/X86/X86VZeroUpper.cpp
@@ -97,6 +97,7 @@ FunctionPass *llvm::createX86IssueVZeroUpperPass() {
   return new VZeroUpperInserter();
 }
 
+#ifndef NDEBUG
 const char* VZeroUpperInserter::getBlockExitStateName(BlockExitState ST) {
   switch (ST) {
     case PASS_THROUGH: return "Pass-through";
@@ -105,6 +106,7 @@ const char* VZeroUpperInserter::getBlockExitStateName(BlockExitState ST) {
   }
   llvm_unreachable("Invalid block exit state.");
 }
+#endif
 
 /// VZEROUPPER cleans state that is related to Y/ZMM0-15 only.
 /// Thus, there is no need to check for Y/ZMM16 and above.