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Nathan Slingerland e6205d97d7 [llvm-profdata] Add support for weighted merge of profile data 
This change adds support for an optional weight when merging profile data with the llvm-profdata tool.
Weights are specified by adding an option ':<weight>' suffix to the input file names.

Adding support for arbitrary weighting of input profile data allows for relative importance to be placed on the
input data from multiple training runs.

Both sampled and instrumented profiles are supported.

Reviewers: dnovillo, bogner, davidxl

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D14547

llvm-svn: 254669
2015-12-04 00:00:20 +00:00
..
Analysis [Analysis] Become aware of MSVC's new/delete functions 2015-12-03 22:45:19 +00:00
AsmParser AsmParser: Make the code for parsing unnamed aliases more closely resemble that for unnamed globals. 2015-11-25 02:54:07 +00:00
Bitcode Remove "ExportingModule" from ThinLTO Index (NFC) 2015-12-03 02:37:23 +00:00
CodeGen CodeGen peephole: fold redundant phys reg copies 2015-12-03 23:43:56 +00:00
DebugInfo dwarfdump: Correctly indentify the indicies for DWP records 2015-12-03 18:41:59 +00:00
ExecutionEngine [RuntimeDyld] DenseMap -> std::unordered_map 2015-12-03 21:27:59 +00:00
Fuzzer Libfuzzer: do not pass null into user function 2015-12-02 22:43:53 +00:00
IR Interface to attach maximum function count from PGO to module as module flags. 2015-12-03 20:57:37 +00:00
IRReader Return a unique_ptr from getLazyBitcodeModule and parseBitcodeFile. NFC. 2015-06-16 22:27:55 +00:00
LibDriver [Option] Use an ArrayRef to store the Option Infos in OptTable. NFC 2015-10-21 16:30:42 +00:00
LineEditor
Linker [ThinLTO] Appending linkage fixes 2015-12-03 18:20:05 +00:00
LTO Simplify since this function never fails. 2015-12-03 23:56:42 +00:00
MC MC: Make sure to clear *all* of MCMachOStreamer's state 2015-12-03 00:52:20 +00:00
Object Remove "ExportingModule" from ThinLTO Index (NFC) 2015-12-03 02:37:23 +00:00
Option [Option] Use an ArrayRef to store the Option Infos in OptTable. NFC 2015-10-21 16:30:42 +00:00
Passes [PM] Port StripDeadPrototypes to the new pass manager 2015-10-30 23:28:12 +00:00
ProfileData [llvm-profdata] Add support for weighted merge of profile data 2015-12-04 00:00:20 +00:00
Support Revert "raw_ostream: << operator for callables with raw_stream argument" 2015-12-03 23:00:28 +00:00
TableGen [TblGen] ArrayRefize TGParser. No functional change intended. 2015-10-24 12:46:45 +00:00
Target [WebAssembly] Fix dominance check for PHIs in the StoreResult pass 2015-12-03 23:07:03 +00:00
Transforms clang-format FunctionImport after refactoring (NFC) 2015-12-03 02:58:14 +00:00
CMakeLists.txt LibDriver, llvm-lib: introduce. 2015-06-09 21:50:22 +00:00
LLVMBuild.txt Wrap some long lines in LLVMBuild files. NFC 2015-06-12 18:44:57 +00:00
Makefile LibDriver, llvm-lib: introduce. 2015-06-09 21:50:22 +00:00