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| author | Andrew Trick <atrick@apple.com> | 2013-09-04 21:00:11 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2013-09-04 21:00:11 +0000 |
| commit | 66c3dfbf8c137ae51afe29fce817b9b071dde1c9 (patch) | |
| tree | 26a59d25b0e76e4c3851061f871589ab3ce4a783 /clang/lib/CodeGen/CodeGenModule.cpp | |
| parent | a6e877707f19e32c078552f43e22ac18ef3a1e8c (diff) | |
| download | bcm5719-llvm-66c3dfbf8c137ae51afe29fce817b9b071dde1c9.tar.gz bcm5719-llvm-66c3dfbf8c137ae51afe29fce817b9b071dde1c9.zip | |
mi-sched: Suppress register pressure tracking when the scheduling window is too small.
If the instruction window is < NumRegs/2, pressure tracking is not
likely to be effective. The scheduler has to process a very large
number of tiny blocks. We want this to be fast.
llvm-svn: 189991
Diffstat (limited to 'clang/lib/CodeGen/CodeGenModule.cpp')
0 files changed, 0 insertions, 0 deletions
