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* [PowerPC] Replace the Post RA List Scheduler with the Machine SchedulerStefan Pintilie2018-07-041-1/+1
| | | | | | | | | | | We want to run the Machine Scheduler instead of the List Scheduler after RA. Checked with a performance run on a Power 9 machine with SPEC 2006 and while some benchmarks improved and others degraded the geomean was slightly improved with the Machine Scheduler. Differential Revision: https://reviews.llvm.org/D45265 llvm-svn: 336295
* Re-commit : [PowerPC] Add handling for ColdCC calling convention and a pass ↵Zaara Syeda2018-01-301-0/+46
| | | | | | | | | | | | | | | | | | | | | to mark candidates with coldcc attribute. This recommits r322721 reverted due to sanitizer memory leak build bot failures. Original commit message: This patch adds support for the coldcc calling convention for Power. This changes the set of non-volatile registers. It includes a pass to stress test the implementation by marking all static directly called functions with the coldcc attribute through the option -enable-coldcc-stress-test. It also includes an option, -ppc-enable-coldcc, to add the coldcc attribute to functions which are cold at all call sites based on BlockFrequencyInfo when the containing function does not call any non cold functions. Differential Revision: https://reviews.llvm.org/D38413 llvm-svn: 323778
* Revert [PowerPC] This reverts commit rL322721Zaara Syeda2018-01-171-46/+0
| | | | | | Failing build bots. Revert the commit now. llvm-svn: 322748
* [PowerPC] Add handling for ColdCC calling convention and a pass to markZaara Syeda2018-01-171-0/+46
candidates with coldcc attribute. This patch adds support for the coldcc calling convention for Power. This changes the set of non-volatile registers. It includes a pass to stress test the implementation by marking all static directly called functions with the coldcc attribute through the option -enable-coldcc-stress-test. It also includes an option, -ppc-enable-coldcc, to add the coldcc attribute to functions which are cold at all call sites based on BlockFrequencyInfo when the containing function does not call any non cold functions. Differential Revision: https://reviews.llvm.org/D38413 llvm-svn: 322721
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