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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145135 91177308-0d34-0410-b5e6-96231b3b80d8
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Chris Lattner 2011-11-25 20:33:27 +00:00
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@ -752,6 +752,9 @@ be used to verify some algorithms.
Better code generation for Cortex-A9 Better code generation for Cortex-A9
Many APIs take ArrayRef's now. Many APIs take ArrayRef's now.
Pass manager extension API. Pass manager extension API.
Information about branch probability and basic block frequency is now available within LLVM based on a combination of static branch prediction heuristics and __builtin_expect calls. That information is currently used for register spill placement and if-conversion, with additional optimizations planned for future releases. The same frameworks are intended for eventual use with profile-guided optimization, but that is not yet implemented.
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