From 9a5ef20f5ed0551e02e4e6d7a41185a52187f5cf Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 9 Nov 2005 05:28:45 +0000
Subject: [PATCH] Disable some overly-aggressive checking code.  This speeds up
 the local allocator from 23s to 11s on kc++ in debug mode.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24255 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/RegAllocLocal.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/CodeGen/RegAllocLocal.cpp b/lib/CodeGen/RegAllocLocal.cpp
index 7288f067f6b..184d9e27ba3 100644
--- a/lib/CodeGen/RegAllocLocal.cpp
+++ b/lib/CodeGen/RegAllocLocal.cpp
@@ -633,7 +633,8 @@ void RA::AllocateBasicBlock(MachineBasicBlock &MBB) {
       else
         removePhysReg(i);
 
-#ifndef NDEBUG
+#if 0
+  // This checking code is very expensive.
   bool AllOk = true;
   for (unsigned i = MRegisterInfo::FirstVirtualRegister,
            e = MF->getSSARegMap()->getLastVirtReg(); i <= e; ++i)
-- 
2.34.1