[PATCH] [LoopDist/LoopVer] Move LoopVersioning to a new module, NFC

[hfinkel at anl.gov]

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Comment at: include/llvm/Transforms/Utils/LoopVersioning.h:10
@@ +9,3 @@
+//
+// This file defines various functions that are used to clone chunks of LLVM
+// code for various purposes.  This varies from copying whole modules into new
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This is a stale comment?

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Comment at: include/llvm/Transforms/Utils/LoopVersioning.h:44
@@ +43,3 @@
+  /// \brief Performs the CFG manipulation part of versioning the loop including
+  /// the DominatorTree and LoopInfo updates.
+  void versionLoop(Pass *P);
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>From this interface, I find it very unclear how you get out the new versioned loop after the CFG mutation is complete.

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Comment at: lib/Transforms/Utils/LoopVersioning.cpp:10
@@ +9,3 @@
+//
+// This file implements the CloneFunctionInto interface, which is used as the
+// low-level function cloner.  This is used by the CloneFunction and function
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Stale comment?

http://reviews.llvm.org/D10577

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