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| author | Shuxin Yang <shuxin.llvm@gmail.com> | 2013-05-09 18:34:27 +0000 |
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| committer | Shuxin Yang <shuxin.llvm@gmail.com> | 2013-05-09 18:34:27 +0000 |
| commit | 4b7b3a7c19db3d0da12a44a0849730296c26fbf9 (patch) | |
| tree | a5860bcc04a69f10bea7d8c19040165d35de4097 /lib/Target/Hexagon/HexagonInstrInfo.h | |
| parent | f4f60b10e4ccd14511f5c83f4e83dbcad6740f63 (diff) | |
| download | llvm-4b7b3a7c19db3d0da12a44a0849730296c26fbf9.tar.gz llvm-4b7b3a7c19db3d0da12a44a0849730296c26fbf9.tar.bz2 llvm-4b7b3a7c19db3d0da12a44a0849730296c26fbf9.tar.xz | |
[GVN] Split critical-edge on the fly, instead of postpone edge-splitting to next
iteration.
This on step toward non-iterative GVN. My local hack suggests that getting rid
of iteration will speedup GVN by 30%+ on a medium sized input (2k LOC, C++).
I cannot explain why not 2x or more at this moment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181532 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Hexagon/HexagonInstrInfo.h')
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