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| author | Evan Cheng <evan.cheng@apple.com> | 2010-07-24 00:39:05 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2010-07-24 00:39:05 +0000 |
| commit | 8b3d5e935ad184f81e8bb63cfa02440b55105ecf (patch) | |
| tree | ef5e6bbd2fb805590c74cb63fa6205b11a56a928 /lib/CodeGen/ScheduleDAGInstrs.cpp | |
| parent | 2df8204b7315bc5db6a4cca7e55cc213027e88da (diff) | |
| download | external_llvm-8b3d5e935ad184f81e8bb63cfa02440b55105ecf.zip external_llvm-8b3d5e935ad184f81e8bb63cfa02440b55105ecf.tar.gz external_llvm-8b3d5e935ad184f81e8bb63cfa02440b55105ecf.tar.bz2 | |
Add an ILP scheduler. This is a register pressure aware scheduler that's
appropriate for targets without detailed instruction iterineries.
The scheduler schedules for increased instruction level parallelism in
low register pressure situation; it schedules to reduce register pressure
when the register pressure becomes high.
On x86_64, this is a win for all tests in CFP2000. It also sped up 256.bzip2
by 16%.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109300 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/ScheduleDAGInstrs.cpp')
0 files changed, 0 insertions, 0 deletions