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Author SHA1 Message Date
Eric Christopher cee313d288 Revert "Temporarily Revert "Add basic loop fusion pass."" 
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
 2019-04-17 04:52:47 +00:00
Eric Christopher a863435128 Temporarily Revert "Add basic loop fusion pass." 
As it's causing some bot failures (and per request from kbarton).

This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda.

llvm-svn: 358546
 2019-04-17 02:12:23 +00:00
Luqman Aden 3f807c91dc Preserve nonnull metadata on Loads through SROA & mem2reg. 
Summary:
https://llvm.org/bugs/show_bug.cgi?id=31142 :

SROA was dropping the nonnull metadata on loads from allocas that got optimized out. This patch simply preserves nonnull metadata on loads through SROA and mem2reg.

Reviewers: chandlerc, efriedma

Reviewed By: efriedma

Subscribers: hfinkel, spatel, efriedma, arielb1, davide, llvm-commits

Differential Revision: https://reviews.llvm.org/D27114

llvm-svn: 298540
 2017-03-22 19:16:39 +00:00