diff options
Diffstat (limited to 'contrib/llvm/lib/CodeGen/BranchFolding.h')
| -rw-r--r-- | contrib/llvm/lib/CodeGen/BranchFolding.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/contrib/llvm/lib/CodeGen/BranchFolding.h b/contrib/llvm/lib/CodeGen/BranchFolding.h index 4daf4ec..df795df 100644 --- a/contrib/llvm/lib/CodeGen/BranchFolding.h +++ b/contrib/llvm/lib/CodeGen/BranchFolding.h @@ -10,6 +10,7 @@ #ifndef LLVM_CODEGEN_BRANCHFOLDING_HPP #define LLVM_CODEGEN_BRANCHFOLDING_HPP +#include "llvm/ADT/SmallPtrSet.h" #include "llvm/CodeGen/MachineBasicBlock.h" #include <vector> @@ -47,6 +48,7 @@ namespace llvm { }; typedef std::vector<MergePotentialsElt>::iterator MPIterator; std::vector<MergePotentialsElt> MergePotentials; + SmallPtrSet<const MachineBasicBlock*, 2> TriedMerging; class SameTailElt { MPIterator MPIter; @@ -93,6 +95,8 @@ namespace llvm { bool TailMergeBlocks(MachineFunction &MF); bool TryTailMergeBlocks(MachineBasicBlock* SuccBB, MachineBasicBlock* PredBB); + void MaintainLiveIns(MachineBasicBlock *CurMBB, + MachineBasicBlock *NewMBB); void ReplaceTailWithBranchTo(MachineBasicBlock::iterator OldInst, MachineBasicBlock *NewDest); MachineBasicBlock *SplitMBBAt(MachineBasicBlock &CurMBB, |
