Address comments on last patch:

- Loosen the restrictions when checking of it branches to a landing pad.
- Make the loop more efficient by checking the '.insert' return value.
- Do cheaper checks first.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91101 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 3 deletions

diff --git a/include/llvm/CodeGen/MachineBasicBlock.h b/include/llvm/CodeGen/MachineBasicBlock.h
index 023f9b6564..7e3ce6bd7c 100644
--- a/include/llvm/CodeGen/MachineBasicBlock.h
+++ b/include/llvm/CodeGen/MachineBasicBlock.h
@@ -327,9 +327,9 @@ public:
   /// 'Old', change the code and CFG so that it branches to 'New' instead.
   void ReplaceUsesOfBlockWith(MachineBasicBlock *Old, MachineBasicBlock *New);
 
-  /// BranchesToLandingPad - The basic block branches only to a landing pad or
-  /// to another basic block which branches only to a landing pad. No other
-  /// instructions are present other than the unconditional branch.
+  /// BranchesToLandingPad - The basic block is a landing pad or branches only
+  /// to a landing pad. No other instructions are present other than the
+  /// unconditional branch.
   bool BranchesToLandingPad(const MachineBasicBlock *MBB) const;
 
   /// CorrectExtraCFGEdges - Various pieces of code can cause excess edges in