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* Move RDF from Hexagon to CodegenScott Constable2020-06-241-3/+3
| | | | | | | | RDF is designed to be target agnostic. Therefore it would be useful to have it available for other targets, such as X86. Based on a previous patch by Krzysztof Parzyszek Differential Revision: https://reviews.llvm.org/D75932
* Update the file headers across all of the LLVM projects in the monorepoChandler Carruth2019-01-191-4/+3
| | | | | | | | | | | | | | | | | to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
* [Hexagon] Fix some Clang-tidy modernize-use-using and Include What You Use ↵Eugene Zelenko2017-08-011-8/+9
| | | | | | warnings; other minor fixes (NFC). llvm-svn: 309746
* [RDF] Remove the map of reaching defs from copy propagationKrzysztof Parzyszek2017-03-101-5/+6
| | | | | | Use Liveness::getNearestAliasedRef to find the reaching def instead. llvm-svn: 297526
* [Hexagon, TableGen] Fix some Clang-tidy modernize and Include What You Use ↵Eugene Zelenko2017-01-041-7/+12
| | | | | | warnings; other minor fixes (NFC). llvm-svn: 290925
* [RDF] Switch RegisterRef to be a pair (Register, LaneMask)Krzysztof Parzyszek2016-10-141-0/+1
| | | | | | | | | Use PackedRegisterRef to store the register information in the graph nodes. This commit also removes support for virtual registers. It has never been tested or used. It will be possible to add it back if there is a need. llvm-svn: 284255
* [hexagon] Move BlockRanges and RDF stuff into the llvm namespace.Benjamin Kramer2016-05-271-2/+2
| | | | | | No functional change intended. llvm-svn: 270980
* [RDF] Improvements to copy propagationKrzysztof Parzyszek2016-01-181-1/+7
| | | | | | | - Allow any instruction to define equality between registers. - Keep the DFG updated. llvm-svn: 258075
* RDF: Copy propagationKrzysztof Parzyszek2016-01-121-0/+48
This is a very limited implementation of DFG-based copy propagation. It only handles actual COPY instructions (does not handle other equivalents such as add-immediate with a 0 operand). The major limitation is that it does not update the DFG: that will be the change required to make it more robust (hopefully coming up soon). llvm-svn: 257490
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