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path: root/llvm/tools/llvm-mca/Views/ResourcePressureView.cpp
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* 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
* [llvm-mca] Move namespace mca inside llvm::Fangrui Song2018-10-301-2/+2
| | | | | | | | | | | | | | | | Summary: This allows to remove `using namespace llvm;` in those *.cpp files When we want to revisit the decision (everything resides in llvm::mca::*) in the future, we can move things to a nested namespace of llvm::mca::, to conceptually make them separate from the rest of llvm::mca::* Reviewers: andreadb, mattd Reviewed By: andreadb Subscribers: javed.absar, tschuett, gbedwell, llvm-commits Differential Revision: https://reviews.llvm.org/D53407 llvm-svn: 345612
* [llvm-mca] Removed dependency on mca::SourcMgr in some Views. NFCAndrea Di Biagio2018-10-261-5/+11
| | | | llvm-svn: 345376
* [llvm-mca] Removed a couple of redundant method declarations, and simplified ↵Andrea Di Biagio2018-10-251-5/+8
| | | | | | code in ResourcePressureView. NFC llvm-svn: 345259
* [llvm-mca] Refactor class SourceMgr. NFCIAndrea Di Biagio2018-10-241-3/+7
| | | | | | | | Added begin()/end() methods to allow the usage of SourceMgr in foreach loops. With this change, method getMCInstFromIndex() (as well as a couple of other methods) are now redundant, and can be removed from the public interface. llvm-svn: 345147
* [llvm-mca] Delay calculation of Cycles per Resources, separate the cycles ↵Matt Davis2018-09-111-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | and resource quantities. Summary: This patch removes the storing of accumulated floating point data within the llvm-mca library. This patch splits-up the two quantities: cycles and number of resource units. By splitting-up these two quantities, we delay the calculation of "cycles per resource unit" until that value is read, reducing the chance of accumulating floating point error. I considered using the APFloat, but after measuring performance, for a large (many iteration) sample, I decided to go with this faster solution. Reviewers: andreadb, courbet, RKSimon Reviewed By: andreadb Subscribers: llvm-commits, javed.absar, tschuett, gbedwell Differential Revision: https://reviews.llvm.org/D51903 llvm-svn: 341980
* [llvm-mca] Move views and stats into a Views subdir. NFC.Matt Davis2018-08-241-0/+171
llvm-svn: 340645
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