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| author | Owen Anderson <resistor@mac.com> | 2009-01-23 03:28:53 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2009-01-23 03:28:53 +0000 |
| commit | bd555359c691475bb1f7b401aa76fd8af103c8c4 (patch) | |
| tree | 67932608ece3055ac0b3f4e1c6fd213c6186d411 /lib/CodeGen/SimpleRegisterCoalescing.cpp | |
| parent | 38ae3aa149ff304e0a8b39f1b133e8a8adc504f0 (diff) | |
| download | external_llvm-bd555359c691475bb1f7b401aa76fd8af103c8c4.tar.gz external_llvm-bd555359c691475bb1f7b401aa76fd8af103c8c4.tar.bz2 external_llvm-bd555359c691475bb1f7b401aa76fd8af103c8c4.zip | |
Stage two of fixing pre-alloc-splitting's code size issues: filter out restores that are just
going to be re-spilled again.
This also helps performance. Pre-alloc-splitting now seems to be an overall win on SPEC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62834 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SimpleRegisterCoalescing.cpp')
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