commit | 0bc308600b0069f07ba722b472c68588573ebd28 | [log] [tgz] |
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author | Andrew Trick <atrick@apple.com> | Thu Jan 20 06:21:59 2011 +0000 |
committer | Andrew Trick <atrick@apple.com> | Thu Jan 20 06:21:59 2011 +0000 |
tree | b94f28cf26d55bd53189b3f48d1200bf395ca2c0 | |
parent | fd50d76ff854e8e60aa22b0db609de359ff3a576 [diff] |
Selection DAG scheduler register pressure heuristic fixes. Added a check for already live regs before claiming HighRegPressure. Fixed a few cases of checking the wrong number of successors. Added some tracing until these heuristics are better understood. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123892 91177308-0d34-0410-b5e6-96231b3b80d8