[PATCH] D60144: [SCEV] Add option to forget everything in SCEV.

[Sanjoy Das via Phabricator via llvm-commits]

sanjoy accepted this revision.
sanjoy added a comment.
This revision is now accepted and ready to land.

lgtm



================
Comment at: lib/Analysis/ScalarEvolution.cpp:6793
+void ScalarEvolution::forgetAllLoops() {
+  // This method is intended to forget all info about loops, but it will
+  // preserve info such as UniqueSCEVs.
----------------
Suggested comment:

This method should invalidate caches as if the following happened:

 - The trip count of all loops have changed arbitrarily.
 - Every llvm::Value has been updated in place to produce a different result .



Repository:
  rL LLVM

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  https://reviews.llvm.org/D60144/new/

https://reviews.llvm.org/D60144