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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
Serguei Katkov f54328372b [NewPM] Add Option handling for SimplifyCFG 
This patch enables passing options to SimplifyCFGPass via the passes pipeline.

Reviewers: chandlerc, fedor.sergeev, leonardchan, philip.pfaffe
Reviewed By: fedor.sergeev
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D60675

llvm-svn: 358379
 2019-04-15 08:57:53 +00:00
Mikael Holmen 0a3e98062f Bail out of a SimplifyCFG switch table opt at undef values. 
Summary:
A true or false result is expected from a comparison, but it seems the possibility of undef was overlooked, which could lead to a failed assert. This is fixed by this patch by bailing out if we encounter undef.

The bug is old and the assert has been there since the end of 2014, so it seems this is unusual enough to forego optimization.

Patch by JesperAntonsson.

Reviewers: spatel, eeckstein, hans

Reviewed By: hans

Subscribers: uabelho, llvm-commits

Differential Revision: https://reviews.llvm.org/D40639

llvm-svn: 319768
 2017-12-05 14:14:00 +00:00
Mikael Holmen 9c13c8b6ec Revert r319537: Bail out of a SimplifyCFG switch table opt at undef values. 
Broke build bots so reverting.

llvm-svn: 319539
 2017-12-01 13:11:39 +00:00
Mikael Holmen 9f047795fb Bail out of a SimplifyCFG switch table opt at undef values. 
Summary:
A true or false result is expected from a comparison, but it seems the possibility of undef was overlooked, which could lead to a failed assert. This is fixed by this patch by bailing out if we encounter undef.

The bug is old and the assert has been there since the end of 2014, so it seems this is unusual enough to forego optimization.

Patch by: JesperAntonsson

Reviewers: spatel, eeckstein, hans

Reviewed By: hans

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D40639

llvm-svn: 319537
 2017-12-01 12:30:49 +00:00