Xinliang David Li d922c26c02 [PGO] Read VP raw data without depending on the Value field ... Before this patch, each function's on-disk VP data is 'pointed' to by the Value field of per-function ProfileData structue, and read relies on this field (relocated with ValueDataDelta field) to read the value data. However this means the Value field needs to be updated during runtime before dumping, which creates undesirable data races. With this patch, the reading of VP data no longer depends on Value field. There is no format change. ValueDataDelta header field becomes obsolute but will be kept for compatibility reason (will be removed next time the raw format change is needed). llvm-svn: 255329		2015-12-11 06:53:53 +00:00
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llvm	[PGO] Read VP raw data without depending on the Value field	2015-12-11 06:53:53 +00:00
llvm-c	[IR] Add support for empty tokens	2015-11-11 21:57:16 +00:00