[PGO] Runtime support for value profiling.

Description

[PGO] Runtime support for value profiling.

This change adds extends the data structures and adds in the routines
for handling runtime calls for value profiling. The profile data format
is modified and the version number is incremented.

Details

Committed
betulbNov 18 2015, 10:12 AM
Parents
rL253482: [Aarch64] Add cost for missing extensions.
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