[PATCH] D22726: [DAGCombine] Match shift amount by value rather than relying on common sub-expressions.

Sanjay Patel via llvm-commits llvm-commits at lists.llvm.org
Fri Aug 12 08:04:36 PDT 2016


spatel added a comment.

The problem summary notes that this fold is missing from InstCombine. Would we sidestep the later questions (and possibly target-specific problems) by doing the transform in IR?

Side note: bryant, your handle seems to have broken the internet :) -
http://lists.llvm.org/pipermail/llvm-dev/2016-August/103596.html


Repository:
  rL LLVM

https://reviews.llvm.org/D22726





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