Dehao Chen 9f2bdfb40f Set machine block placement hot prob threshold for both static and runtime profile. ...

Summary: With runtime profile, we have more confidence in branch probability, thus during basic block layout, we set a lower hot prob threshold so that blocks can be layouted optimally.

Reviewers: djasper, davidxl

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D20991

llvm-svn: 272729

2016-06-14 22:27:17 +00:00

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