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| author | Owen Anderson <resistor@mac.com> | 2010-10-01 22:45:50 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2010-10-01 22:45:50 +0000 |
| commit | e3cc84a43d6a4bb6c50f58f3dd8e60e28787509e (patch) | |
| tree | 236f7bad5fd51f72f50409f3d67bf9dcda8c5388 /lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp | |
| parent | 6314ef9e8100c889956bd26ba71cc04e06564568 (diff) | |
| download | external_llvm-e3cc84a43d6a4bb6c50f58f3dd8e60e28787509e.zip external_llvm-e3cc84a43d6a4bb6c50f58f3dd8e60e28787509e.tar.gz external_llvm-e3cc84a43d6a4bb6c50f58f3dd8e60e28787509e.tar.bz2 | |
Thread the determination of branch prediction hit rates back through the if-conversion heuristic APIs. For now,
stick with a constant estimate of 90% (branch predictors are good!), but we might find that we want to provide
more nuanced estimates in the future.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115364 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp')
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