[PATCH] D44102: Teach CorrelatedValuePropagation to reduce the width of udiv/urem instructions.

Sanjay Patel via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Mar 7 07:25:34 PST 2018


spatel added a comment.

In https://reviews.llvm.org/D44102#1029861, @jlebar wrote:

> Thank you for the reviews, Sanjoy and Sanjay!


Thanks for doing the work. :)
To confirm - with this patch, we're getting all of the motivating cases (edge value propagation, local known bits, llvm.assume) that were affected by https://reviews.llvm.org/D37121? Ie, there's no current motivation to make instcombine try harder to shrink div/rem?


Repository:
  rL LLVM

https://reviews.llvm.org/D44102





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