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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
Daniel Neilson
9e4bbe801a [LV] Preserve inbounds on created GEPs 
Summary:
This is a fix for PR23997.

The loop vectorizer is not preserving the inbounds property of GEPs that it creates.
This is inhibiting some optimizations. This patch preserves the inbounds property in
the case where a load/store is being fed by an inbounds GEP.

Reviewers: mkuper, javed.absar, hsaito

Reviewed By: hsaito

Subscribers: dcaballe, hsaito, llvm-commits

Differential Revision: https://reviews.llvm.org/D46191

llvm-svn: 331269
 2018-05-01 15:35:08 +00:00
Sanjay Patel
8529dd5ee1 [ARM] add loop vectorizer test based on 482.sphinx3 from SPEC2006; NFC 
This is a slight reduction of one of the benchmarks
that suffered with D43079. Cost model changes should
not cause this test to remain scalarized.

llvm-svn: 326221
 2018-02-27 18:33:24 +00:00