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8 Commits

Author SHA1 Message Date
Nikita Popov
ef992b6079 [LoopUnroll] Convert some tests to opaque pointers (NFC) 2022-12-23 16:35:26 +01:00
Roman Lebedev
5103ef64fe
[NFC] Port all (but one) LoopUnroll tests to -passes= syntax 2022-12-07 20:15:43 +03:00
Philip Reames
f6e90fac35 Remove loop invariant exit conditions from tests in advance of D116496 
Reviewer suggested this was more in spirit of the original tests.
 2022-01-03 09:44:28 -08:00
Philip Reames
840fa88741 autogen unroll test for ease of futre update 2022-01-02 09:25:29 -08:00
Nikita Popov
fe9a5a806e [LoopUnroll] Make some tests more robust (NFC) 
Replace branch on undef by branch on unknown condition.
 2021-04-17 20:59:20 +02:00
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
Michael Kuperstein
461aa57ad3 [LoopUnroll] First form LCSSA, then loop-simplify 
Running non-LCSSA-preserving LoopSimplify followed by LCSSA on (roughly) the
same loop is incorrect, since LoopSimplify may break LCSSA arbitrarily higher
in the loop nest. Instead, run LCSSA first, and then run LCSSA-preserving
LoopSimplify on the result.

This fixes PR31718.

Differential Revision: https://reviews.llvm.org/D29055

llvm-svn: 292854
 2017-01-23 23:45:42 +00:00