[PATCH] D157462: LoopRotate: Add code to update branch weights

[Matthias Braun via Phabricator via llvm-commits]

MatzeB added inline comments.


================
Comment at: llvm/lib/Transforms/Utils/LoopRotationUtils.cpp:271-282
+  //    |  |--------             |
+  //    V  V       |             V
+  //   Br i1 ...   |            Br i1 ...
+  //   |       |   |            |     |
+  //  x|      y|   |  becomes:  |   y0|  |-----
+  //   V       V   |            |     V  V    |
+  // Exit    Loop  |            |     Loop    |
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I have an alternative version of this, but wasn't sure how people feel about using non-ASCII characters:


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D157462/new/

https://reviews.llvm.org/D157462