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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
Hiroshi Yamauchi 09e539fcae [PGO] Profile guided code size optimization. 
Summary:
Enable some of the existing size optimizations for cold code under PGO.

A ~5% code size saving in big internal app under PGO.

The way it gets BFI/PSI is discussed in the RFC thread

http://lists.llvm.org/pipermail/llvm-dev/2019-March/130894.html 

Note it doesn't currently touch loop passes.

Reviewers: davidxl, eraman

Reviewed By: eraman

Subscribers: mgorny, javed.absar, smeenai, mehdi_amini, eraman, zzheng, steven_wu, dexonsmith, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D59514

llvm-svn: 358422
 2019-04-15 16:49:00 +00:00
Sanjay Patel fec7965b36 fix minsize detection: minsize attribute implies optimizing for size 
llvm-svn: 244617
 2015-08-11 15:56:31 +00:00
Sanjay Patel b5c0c58737 remove unnecessary settings/attributes from test case 
llvm-svn: 244612
 2015-08-11 15:30:53 +00:00
Michael Zolotukhin 79ff564ef3 [LoopVectorizer] Fix bailing-out condition for OptForSize case. 
With option OptForSize enabled, the Loop Vectorizer is not supposed to
create tail loop. The condition checking that was invalid and was not
matching to the comment above.

Patch by Marianne Mailhot-Sarrasin.

llvm-svn: 240556
 2015-06-24 17:26:24 +00:00