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* [sampleprof] Drop test dependency on the string hash func (NFC)Vedant Kumar2017-04-261-32/+32
| | | | | | | | | | | | | | The SampleProfWriter emits function information in an order determined by the string hash function. The situation is a bit brittle, because changing the hash function can break the tests. Instead of sorting the function samples to get a relaible ordering (that might be too expensive), make the tests not depend on a particular ordering of function samples. Differential Revision: https://reviews.llvm.org/D32516 llvm-svn: 301419
* [PGO] Handle and report overflow during profile merge for all types of dataNathan Slingerland2015-12-161-0/+43
Summary: Surface counter overflow when merging profile data. Merging still occurs on overflow but counts saturate to the maximum representable value. Overflow is reported to the user. Reviewers: davidxl, dnovillo, silvas Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D15547 llvm-svn: 255825
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