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
Summary: Add an option to prevent diagnostics that do not meet a minimum hotness threshold from being output. When generating optimization remarks for large codebases with a ton of cold code paths, this option can be used to limit the optimization remark output at a reasonable size. Discussion of this change can be read here: http://lists.llvm.org/pipermail/llvm-dev/2017-June/114377.html Reviewers: anemet, davidxl, hfinkel Reviewed By: anemet Subscribers: qcolombet, javed.absar, fhahn, eraman, llvm-commits Differential Revision: https://reviews.llvm.org/D34867 llvm-svn: 306912