[PATCH] D28308: [SCEV] Model ashr(shl(x, n), m) as mul(x, 2^(n-m)) when n > m

Z. Zheng via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Jan 9 16:39:43 PST 2017


zzheng retitled this revision from "[SCEV] Model ashr(shl(x, n), m), where n > m, as mul(x, 2^(n-m))" to "[SCEV] Model ashr(shl(x, n), m) as mul(x, 2^(n-m)) when n > m".
zzheng updated the summary for this revision.
zzheng added a reviewer: efriedma.
zzheng updated this revision to Diff 83740.
zzheng added a comment.

Addressed comment in 1st version by efriedman.


Repository:
  rL LLVM

https://reviews.llvm.org/D28308

Files:
  lib/Analysis/ScalarEvolution.cpp
  test/Analysis/ScalarEvolution/sext-mul.ll

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