[llvm] r306201 - Add comments for OrderedInstruction. NFC

Xin Tong via llvm-commits llvm-commits at lists.llvm.org
Fri Jun 23 22:16:12 PDT 2017


Author: trentxintong
Date: Sat Jun 24 00:16:12 2017
New Revision: 306201

URL: http://llvm.org/viewvc/llvm-project?rev=306201&view=rev
Log:
Add comments for OrderedInstruction. NFC

Modified:
    llvm/trunk/include/llvm/Transforms/Utils/OrderedInstructions.h

Modified: llvm/trunk/include/llvm/Transforms/Utils/OrderedInstructions.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Transforms/Utils/OrderedInstructions.h?rev=306201&r1=306200&r2=306201&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Transforms/Utils/OrderedInstructions.h (original)
+++ llvm/trunk/include/llvm/Transforms/Utils/OrderedInstructions.h Sat Jun 24 00:16:12 2017
@@ -43,6 +43,9 @@ public:
   bool dominates(const Instruction *, const Instruction *) const;
 
   /// Invalidate the OrderedBasicBlock cache when its basic block changes.
+  /// i.e. If an instruction is deleted or added to the basic block, the user
+  /// should call this function to invalidate the OrderedBasicBlock cache for
+  /// this basic block.
   void invalidateBlock(BasicBlock *BB) { OBBMap.erase(BB); }
 };
 




More information about the llvm-commits mailing list