Sanjay Patel 2244d521c0 use valid bits to avoid unnecessary machine trace metric recomputations
Although this does cut the number of traces recomputed by ~10% for the
test case mentioned in http://reviews.llvm.org/D10460, it doesn't
make a dent in the overall performance. That example needs to be more
selective when invalidating traces.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241393 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-04 15:00:28 +00:00
2014-04-07 03:57:04 +00:00
2014-03-02 13:08:46 +00:00
2015-03-12 01:25:29 +00:00

Low Level Virtual Machine (LLVM)
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