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turn off tail merging for now
author
Chris Lattner
<sabre@nondot.org>
Wed, 25 Oct 2006 18:08:50 +0000
(18:08 +0000)
committer
Chris Lattner
<sabre@nondot.org>
Wed, 25 Oct 2006 18:08:50 +0000
(18:08 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31180
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/CodeGen/BranchFolding.cpp
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diff --git
a/lib/CodeGen/BranchFolding.cpp
b/lib/CodeGen/BranchFolding.cpp
index 652a64718975fb7fcee6ead7c3c012e2d8fc3b18..202f986bd2eb509600f973c637fb5a257bbc69a0 100644
(file)
--- 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) {