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* Revert "Revert "As a follow-up to my initial mail to llvm-dev here's a first ↵Eric Christopher2019-11-261-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | pass at the O1 described there."" This reapplies: 8ff85ed905a7306977d07a5cd67ab4d5a56fafb4 Original commit message: As a follow-up to my initial mail to llvm-dev here's a first pass at the O1 described there. This change doesn't include any change to move from selection dag to fast isel and that will come with other numbers that should help inform that decision. There also haven't been any real debuggability studies with this pipeline yet, this is just the initial start done so that people could see it and we could start tweaking after. Test updates: Outside of the newpm tests most of the updates are coming from either optimization passes not run anymore (and without a compelling argument at the moment) that were largely used for canonicalization in clang. Original post: http://lists.llvm.org/pipermail/llvm-dev/2019-April/131494.html Tags: #llvm Differential Revision: https://reviews.llvm.org/D65410 This reverts commit c9ddb02659e3ece7a0d9d6b4dac7ceea4ae46e6d.
* Revert "As a follow-up to my initial mail to llvm-dev here's a first pass at ↵Muhammad Omair Javaid2019-11-261-4/+4
| | | | | | | | | | | | | | | | | | | | | | | the O1 described there." This reverts commit 8ff85ed905a7306977d07a5cd67ab4d5a56fafb4. This commit introduced 9 new failures on lldb buildbot host at http://lab.llvm.org:8014/builders/lldb-aarch64-ubuntu Following tests were failing: lldb-api :: functionalities/tail_call_frames/ambiguous_tail_call_seq1/TestAmbiguousTailCallSeq1.py lldb-api :: functionalities/tail_call_frames/ambiguous_tail_call_seq2/TestAmbiguousTailCallSeq2.py lldb-api :: functionalities/tail_call_frames/disambiguate_call_site/TestDisambiguateCallSite.py lldb-api :: functionalities/tail_call_frames/disambiguate_paths_to_common_sink/TestDisambiguatePathsToCommonSink.py lldb-api :: functionalities/tail_call_frames/disambiguate_tail_call_seq/TestDisambiguateTailCallSeq.py lldb-api :: functionalities/tail_call_frames/inlining_and_tail_calls/TestInliningAndTailCalls.py lldb-api :: functionalities/tail_call_frames/sbapi_support/TestTailCallFrameSBAPI.py lldb-api :: functionalities/tail_call_frames/thread_step_out_message/TestArtificialFrameStepOutMessage.py lldb-api :: functionalities/tail_call_frames/thread_step_out_or_return/TestSteppingOutWithArtificialFrames.py lldb-api :: functionalities/tail_call_frames/unambiguous_sequence/TestUnambiguousTailCalls.py Tags: #llvm Differential Revision: https://reviews.llvm.org/D65410
* As a follow-up to my initial mail to llvm-dev here's a first pass at the O1 ↵Eric Christopher2019-11-251-4/+4
| | | | | | | | | | | | | | | | | | | | | described there. This change doesn't include any change to move from selection dag to fast isel and that will come with other numbers that should help inform that decision. There also haven't been any real debuggability studies with this pipeline yet, this is just the initial start done so that people could see it and we could start tweaking after. Test updates: Outside of the newpm tests most of the updates are coming from either optimization passes not run anymore (and without a compelling argument at the moment) that were largely used for canonicalization in clang. Original post: http://lists.llvm.org/pipermail/llvm-dev/2019-April/131494.html Tags: #llvm Differential Revision: https://reviews.llvm.org/D65410
* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+104
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-104/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [SimplifyCFG] don't sink common insts too soon (PR34603)Sanjay Patel2017-12-141-4/+2
| | | | | | | | | | | | This should solve: https://bugs.llvm.org/show_bug.cgi?id=34603 ...by preventing SimplifyCFG from altering redundant instructions before early-cse has a chance to run. It changes the default (canonical-forming) behavior of SimplifyCFG, so we're only doing the sinking transform later in the optimization pipeline. Differential Revision: https://reviews.llvm.org/D38566 llvm-svn: 320749
* [PassManager, SimplifyCFG] add test for PR34603 / D38566; NFCSanjay Patel2017-11-151-0/+40
| | | | | | This is a recommit of r316908 which was reverted by r317444. llvm-svn: 318300
* [(new) Pass Manager] instantiate SimplifyCFG with the same options as the old PMSanjay Patel2017-11-151-54/+25
| | | | | | | | | | | | | | | | | | This is a recommit of r316869 which was speculatively reverted with r317444 and subsequently shown to not be the cause of PR35210. That crash should be fixed after r318237. Original commit message: The old PM sets the options of what used to be known as "latesimplifycfg" on the instantiation after the vectorizers have run, so that's what we'redoing here. FWIW, there's a later SimplifyCFGPass instantiation in both PMs where we do not set the "late" options. I'm not sure if that's intentional or not. Differential Revision: https://reviews.llvm.org/D39407 llvm-svn: 318299
* [PassManager, SimplifyCFG] Revert r316908 and r316869.David L. Jones2017-11-061-66/+55
| | | | | | These cause Clang to crash with a segfault. See PR35210 for details. llvm-svn: 317444
* [PassManager, SimplifyCFG] add test for PR34603 / D38566; NFCSanjay Patel2017-10-301-1/+41
| | | | | | Sinking common insts and converting to select early can inhibit better folds in other passes. llvm-svn: 316908
* [(new) Pass Manager] instantiate SimplifyCFG with the same options as the old PMSanjay Patel2017-10-291-54/+25
| | | | | | | | | | | | The old PM sets the options of what used to be known as "latesimplifycfg" on the instantiation after the vectorizers have run, so that's what we'redoing here. FWIW, there's a later SimplifyCFGPass instantiation in both PMs where we do not set the "late" options. I'm not sure if that's intentional or not. Differential Revision: https://reviews.llvm.org/D39407 llvm-svn: 316869
* [PassManager] add test to show the new PM uses -latesimplifycfg early; NFCSanjay Patel2017-10-231-0/+95
llvm-svn: 316351
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