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(parent: 2fa82bc) | patch
Move more logic to shouldTailDuplicate and only duplicate regular bb before
authorRafael Espindola <rafael.espindola@gmail.com>
Thu, 23 Jun 2011 03:41:29 +0000 (03:41 +0000)
committerRafael Espindola <rafael.espindola@gmail.com>
Thu, 23 Jun 2011 03:41:29 +0000 (03:41 +0000)
commit9dbbd87938a0dc2ffe23f4205ec61618e052ca92
treeb20df9f4a39888f580d22ec9ffc810992f84e7c5tree | snapshot
parent2fa82bc3da45d272f12a96a61074b637faa62e0bcommit | diff
Move more logic to shouldTailDuplicate and only duplicate regular bb before
register allocation if it has a indirectbr or if we can duplicate it to
every predecessor.

This fixes the SingleSource/Benchmarks/Shootout-C++/matrix.cpp regression but
keeps the previous improvements to sunspider.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133682 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/TailDuplication.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors