[PATCH] D48334: [MemorySSA] Add convenience APIs in updater to avoid needing MSSA.

[Alina Sbirlea via Phabricator via llvm-commits]

asbirlea updated this revision to Diff 151973.
asbirlea added a comment.

Rush edit.


Repository:
  rL LLVM

https://reviews.llvm.org/D48334

Files:
  include/llvm/Analysis/MemorySSAUpdater.h


Index: include/llvm/Analysis/MemorySSAUpdater.h
===================================================================
--- include/llvm/Analysis/MemorySSAUpdater.h
+++ include/llvm/Analysis/MemorySSAUpdater.h
@@ -138,6 +138,17 @@
   /// on the MemoryAccess for that store/load.
   void removeMemoryAccess(MemoryAccess *);
 
+  /// Remove MemoryAccess for a given instruction, if a MemoryAccess exists.
+  /// This should be called when an instruction (load/store) is deleted from
+  /// the program.
+  void removeMemoryAccess(Instruction *I) {
+    if (MemoryAccess *MA = MSSA->getMemoryAccess(I))
+      removeMemoryAccess(MA);
+  }
+
+  /// Verify MemorySSA correctness after an update
+  void verifyMemorySSA() { MSSA->verifyMemorySSA(); }
+
 private:
   // Move What before Where in the MemorySSA IR.
   template <class WhereType>


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