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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
Nicolai Haehnle 0823050b9f StructurizeCFG: Simplify inserted PHI nodes 
Summary:
This improves subsequent divergence analysis in some cases.

Change-Id: I5e95e7ec7fd3fa80d414d1a53a02fea23e3d67d3

Reviewers: arsenm, rampitec

Subscribers: jvesely, wdng, llvm-commits

Differential Revision: https://reviews.llvm.org/D53316

llvm-svn: 344697
 2018-10-17 15:37:41 +00:00
Nicolai Haehnle 6d92ca61f9 StructurizeCFG,AMDGPU: Test case of a redundant phi and codegen consequences 
Change-Id: I9681f9e41ca30f82576f3d1f965c3a550a34b171
llvm-svn: 344569
 2018-10-15 22:37:46 +00:00