[PATCH] D28177: [SCCP] Integrate `undef` in the solver

Davide Italiano via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Dec 30 08:36:02 PST 2016


davide created this revision.
davide added reviewers: eli.friedman, efriedma, dberlin.
davide added a subscriber: llvm-commits.

Trying to fix https://llvm.org/bugs/show_bug.cgi?id=30448 and another bunch of latent bugs in SCCP. 
I'm going to send a detailed mails about the motivations to llvm-dev in a bit, but I wanted a review to link to first.


https://reviews.llvm.org/D28177

Files:
  lib/Transforms/Scalar/SCCP.cpp
  test/Transforms/IPConstantProp/PR16052.ll
  test/Transforms/IPConstantProp/PR26044.ll
  test/Transforms/SCCP/undef-resolve.ll

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