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(parent: 0906973) | patch
BlockFrequency: Use a smarter overflow check.
authorBenjamin Kramer <benny.kra@googlemail.com>
Thu, 27 Oct 2011 16:38:50 +0000 (16:38 +0000)
committerBenjamin Kramer <benny.kra@googlemail.com>
Thu, 27 Oct 2011 16:38:50 +0000 (16:38 +0000)
commitbc1430a0a0b3f97b86039950e57d832cb01f1cf6
tree27aafcd2dee48fc650a05a39cf4a6c685791d069tree | snapshot
parent090697321b32fe010db07eb03b6a7af94d8caebdcommit | diff
BlockFrequency: Use a smarter overflow check.

This trades one 64 bit div for one 64 bit mul and some arithmetic.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143106 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Support/BlockFrequency.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors