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025bf7be0c
llvm-mirror/lib/Transforms/IPO
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Rong Xu 025bf7be0c [PGO] MST based PGO instrumentation infrastructure 
This patch implements a minimum spanning tree (MST) based instrumentation for
PGO. The use of MST guarantees minimum number of CFG edges getting
instrumented. An addition optimization is to instrument the less executed
edges to further reduce the instrumentation overhead. The patch contains both the
instrumentation and the use of the profile to set the branch weights.

Differential Revision: http://reviews.llvm.org/D12781

llvm-svn: 254021
2015-11-24 21:31:25 +00:00
..
ArgumentPromotion.cpp DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
BarrierNoopPass.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
CMakeLists.txt Add a FunctionImporter helper to perform summary-based cross-module function importing 2015-11-24 06:07:49 +00:00
ConstantMerge.cpp IPO: Remove implicit ilist iterator conversions, NFC 2015-10-13 17:51:03 +00:00
DeadArgumentElimination.cpp DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
ElimAvailExtern.cpp Restore "Support for ThinLTO function importing and symbol linking." 2015-11-03 00:14:15 +00:00
ExtractGV.cpp IPO: Remove implicit ilist iterator conversions, NFC 2015-10-13 17:51:03 +00:00
FunctionAttrs.cpp Revert "[FunctionAttrs] Remove redundant assignment." 2015-11-20 19:17:10 +00:00
FunctionImport.cpp [ThinLTO] Refactor function body scan during importing into helper (NFC) 2015-11-24 21:15:19 +00:00
GlobalDCE.cpp Rangify for loops in GlobalDCE, NFC. 2015-07-18 19:57:34 +00:00
GlobalOpt.cpp [GlobalOpt] Localize some globals that have non-instruction users 2015-11-19 18:04:33 +00:00
InlineAlways.cpp [PM/AA] Rebuild LLVM's alias analysis infrastructure in a way compatible 2015-09-09 17:55:00 +00:00
Inliner.cpp Revert r252990. 2015-11-13 01:44:32 +00:00
InlineSimple.cpp [PM/AA] Rebuild LLVM's alias analysis infrastructure in a way compatible 2015-09-09 17:55:00 +00:00
Internalize.cpp IPO: Remove implicit ilist iterator conversions, NFC 2015-10-13 17:51:03 +00:00
IPConstantPropagation.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
IPO.cpp Add a FunctionImporter helper to perform summary-based cross-module function importing 2015-11-24 06:07:49 +00:00
LLVMBuild.txt [PGO] MST based PGO instrumentation infrastructure 2015-11-24 21:31:25 +00:00
LoopExtractor.cpp IPO: Remove implicit ilist iterator conversions, NFC 2015-10-13 17:51:03 +00:00
LowerBitSets.cpp Fix Clang-tidy modernize-use-nullptr warnings in source directories and generated files; other minor cleanups. 2015-10-06 23:24:35 +00:00
Makefile
MergeFunctions.cpp Move helper classes into anonymous namespaces. NFC. 2015-11-16 09:01:28 +00:00
PartialInlining.cpp IPO: Remove implicit ilist iterator conversions, NFC 2015-10-13 17:51:03 +00:00
PassManagerBuilder.cpp [LTO] Add an early run of functionattrs 2015-11-18 11:24:42 +00:00
PruneEH.cpp IPO: Remove implicit ilist iterator conversions, NFC 2015-10-13 17:51:03 +00:00
SampleProfile.cpp SamplePGO - Add coverage tracking for samples. 2015-11-23 20:12:21 +00:00
StripDeadPrototypes.cpp [PM] Port StripDeadPrototypes to the new pass manager 2015-10-30 23:28:12 +00:00
StripSymbols.cpp DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00