[polly] r298522 - [DeLICM] Remove AllElements. NFC.

[Michael Kruse via llvm-commits]

Author: meinersbur
Date: Wed Mar 22 12:18:39 2017
New Revision: 298522

URL: http://llvm.org/viewvc/llvm-project?rev=298522&view=rev
Log:
[DeLICM] Remove AllElements. NFC.

It is not used and will not be used (anymore) in future commits.

Modified:
    polly/trunk/lib/Transform/DeLICM.cpp

Modified: polly/trunk/lib/Transform/DeLICM.cpp
URL: http://llvm.org/viewvc/llvm-project/polly/trunk/lib/Transform/DeLICM.cpp?rev=298522&r1=298521&r2=298522&view=diff
==============================================================================
--- polly/trunk/lib/Transform/DeLICM.cpp (original)
+++ polly/trunk/lib/Transform/DeLICM.cpp Wed Mar 22 12:18:39 2017
@@ -701,10 +701,6 @@ protected:
   /// Cached version of the schedule and domains.
   isl::union_map Schedule;
 
-  /// Set of all referenced elements.
-  /// { Element[] -> Element[] }
-  isl::union_set AllElements;
-
   /// Combined access relations of all MemoryKind::Array READ accesses.
   /// { DomainRead[] -> Element[] }
   isl::union_map AllReads;
@@ -945,16 +941,6 @@ protected:
     // { DomainWrite[] -> Element[] }
     auto AllWrites =
         give(isl_union_map_union(AllMustWrites.copy(), AllMayWrites.copy()));
-
-    // { Element[] }
-    AllElements = makeEmptyUnionSet();
-    foreachElt(AllWrites, [this](isl::map Write) {
-      auto Space = give(isl_map_get_space(Write.keep()));
-      auto EltSpace = give(isl_space_range(Space.take()));
-      auto EltUniv = give(isl_set_universe(EltSpace.take()));
-      AllElements =
-          give(isl_union_set_add_set(AllElements.take(), EltUniv.take()));
-    });
   }
 
   /// Print the current state of all MemoryAccesses to @p.