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turn off tail merging for now

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31180 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-10-25 18:08:50 +00:00
parent 13a04125df
commit 323ece6fcd
1 changed files with 2 additions and 0 deletions
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2
lib/CodeGen/BranchFolding.cpp
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@ -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) {