diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineBlockPlacement.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineBlockPlacement.cpp | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/llvm/lib/CodeGen/MachineBlockPlacement.cpp b/llvm/lib/CodeGen/MachineBlockPlacement.cpp index 3149151..a4f0780 100644 --- a/llvm/lib/CodeGen/MachineBlockPlacement.cpp +++ b/llvm/lib/CodeGen/MachineBlockPlacement.cpp @@ -2914,10 +2914,7 @@ bool MachineBlockPlacement::repeatedlyTailDuplicateBlock( // duplicated into is still small enough to be duplicated again. // No need to call markBlockSuccessors in this case, as the blocks being // duplicated from here on are already scheduled. - // Note that DuplicatedToLPred always implies Removed. - while (DuplicatedToLPred) { - assert(Removed && "Block must have been removed to be duplicated into its " - "layout predecessor."); + while (DuplicatedToLPred && Removed) { MachineBasicBlock *DupBB, *DupPred; // The removal callback causes Chain.end() to be updated when a block is // removed. On the first pass through the loop, the chain end should be the @@ -2956,8 +2953,7 @@ bool MachineBlockPlacement::repeatedlyTailDuplicateBlock( /// chosen in the given order due to unnatural CFG /// only needed if \p BB is removed and /// \p PrevUnplacedBlockIt pointed to \p BB. -/// \p DuplicatedToLPred - True if the block was duplicated into LPred. Will -/// only be true if the block was removed. +/// \p DuplicatedToLPred - True if the block was duplicated into LPred. /// \return - True if the block was duplicated into all preds and removed. bool MachineBlockPlacement::maybeTailDuplicateBlock( MachineBasicBlock *BB, MachineBasicBlock *LPred, |