From: Chris Lattner <sabre@nondot.org>
Date: Wed, 25 Oct 2006 18:08:50 +0000 (+0000)
Subject: turn off tail merging for now
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=323ece6fcd9722482a0be6c82afc5abc75739c78;p=oota-llvm.git

turn off tail merging for now


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31180 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/BranchFolding.cpp b/lib/CodeGen/BranchFolding.cpp
index 652a6471897..202f986bd2e 100644
--- a/lib/CodeGen/BranchFolding.cpp
+++ b/lib/CodeGen/BranchFolding.cpp
@@ -206,6 +206,8 @@ void BranchFolder::ReplaceTailWithBranchTo(MachineBasicBlock::iterator OldInst,
 bool BranchFolder::TailMergeBlocks(MachineFunction &MF) {
   MadeChange = false;
   
+  return false;
+  
   // Find blocks with no successors.
   std::vector<std::pair<unsigned,MachineBasicBlock*> > MergePotentials;
   for (MachineFunction::iterator I = MF.begin(), E = MF.end(); I != E; ++I) {