[PATCH] D51015: [MemorySSA] Make the Updater movable.

[Alina Sbirlea via Phabricator via llvm-commits]

asbirlea created this revision.
asbirlea added reviewers: george.burgess.iv, chandlerc.
Herald added subscribers: Prazek, jlebar, sanjoy.

Make the MemorySSAUpdater movable.


Repository:
  rL LLVM

https://reviews.llvm.org/D51015

Files:
  include/llvm/Analysis/MemorySSAUpdater.h


Index: include/llvm/Analysis/MemorySSAUpdater.h
===================================================================
--- include/llvm/Analysis/MemorySSAUpdater.h
+++ include/llvm/Analysis/MemorySSAUpdater.h
@@ -70,6 +70,12 @@
 
 public:
   MemorySSAUpdater(MemorySSA *MSSA) : MSSA(MSSA) {}
+  MemorySSAUpdater(MemorySSAUpdater &&MSSAU) : MSSA(MSSAU.MSSA) {}
+  MemorySSAUpdater& operator=(MemorySSAUpdater&& MSSAU) {
+    MSSA = MSSAU.MSSA;
+    MSSAU.MSSA = 0;
+    return *this;
+  }
   /// Insert a definition into the MemorySSA IR.  RenameUses will rename any use
   /// below the new def block (and any inserted phis).  RenameUses should be set
   /// to true if the definition may cause new aliases for loads below it.  This


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