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authorEvan Cheng <evan.cheng@apple.com>2009-02-12 08:59:45 +0000
committerEvan Cheng <evan.cheng@apple.com>2009-02-12 08:59:45 +0000
commit8182347d70413174f2e80ea429801e887aee5cc3 (patch)
treea555339349eea881aecd0db35cbf8db80e15eaee /lib/CodeGen/VirtRegMap.cpp
parente0a056b1fffba3133f1343034c359382954c182a (diff)
Replace one of burr scheduling heuristic with something more sensible. Now calcMaxScratches simply compute the number of true data dependencies. This actually improve a couple of tests in dejagnu suite as many tests in llvm nightly test suite.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64369 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/VirtRegMap.cpp')
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