diff options
| author | Chris Lattner <sabre@nondot.org> | 2006-10-23 22:10:12 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-10-23 22:10:12 +0000 |
| commit | a4bcfe12d1ea16e3e4ea9148e2d9cba3bb63dbda (patch) | |
| tree | c266aac2c94d6dc0b968272429ac71d63929cff4 /lib/CodeGen/BranchFolding.cpp | |
| parent | 2cd931fee5c811208fd4322dc896a3dcea0e29cf (diff) | |
Enable tail merging by default.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31140 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/BranchFolding.cpp')
| -rw-r--r-- | lib/CodeGen/BranchFolding.cpp | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/lib/CodeGen/BranchFolding.cpp b/lib/CodeGen/BranchFolding.cpp index 4643c7414f..144dbf6908 100644 --- a/lib/CodeGen/BranchFolding.cpp +++ b/lib/CodeGen/BranchFolding.cpp @@ -30,7 +30,6 @@ using namespace llvm; static Statistic<> NumDeadBlocks("branchfold", "Number of dead blocks removed"); static Statistic<> NumBranchOpts("branchfold", "Number of branches optimized"); static Statistic<> NumTailMerge ("branchfold", "Number of block tails merged"); -static cl::opt<bool> EnableTailMerge("enable-tail-merge", cl::init(false)); namespace { struct BranchFolder : public MachineFunctionPass { @@ -207,9 +206,6 @@ void BranchFolder::ReplaceTailWithBranchTo(MachineBasicBlock::iterator OldInst, bool BranchFolder::TailMergeBlocks(MachineFunction &MF) { MadeChange = false; - if (!EnableTailMerge) - 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) { |