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| author | Dehao Chen <dehao@google.com> | 2017-08-08 20:57:33 +0000 |
|---|---|---|
| committer | Dehao Chen <dehao@google.com> | 2017-08-08 20:57:33 +0000 |
| commit | 34cfcb29aaccbba4e00786013db1a0db77838eae (patch) | |
| tree | 9c1703e388e5798f1d357d7dbbd1f308acd627c5 /llvm/lib/Analysis/BranchProbabilityInfo.cpp | |
| parent | 512253292cfd21d59a175156402c54fb64e97ef8 (diff) | |
| download | bcm5719-llvm-34cfcb29aaccbba4e00786013db1a0db77838eae.tar.gz bcm5719-llvm-34cfcb29aaccbba4e00786013db1a0db77838eae.zip | |
Make ICP uses PSI to check for hotness.
Summary: Currently, ICP checks the count against a fixed value to see if it is hot enough to be promoted. This does not work for SamplePGO because sampled count may be much smaller. This patch uses PSI to check if the count is hot enough to be promoted.
Reviewers: davidxl, tejohnson, eraman
Reviewed By: davidxl
Subscribers: sanjoy, llvm-commits, mehdi_amini
Differential Revision: https://reviews.llvm.org/D36341
llvm-svn: 310416
Diffstat (limited to 'llvm/lib/Analysis/BranchProbabilityInfo.cpp')
0 files changed, 0 insertions, 0 deletions
