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llvm-project/llvm/lib/Transforms/IPO
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Diego Novillo 10cf124bb9 SamplePGO - Reduce memory utilization by 10x. 
DenseMap is the wrong data structure to use for sample records and call
sites.  The keys are too large, causing massive core memory growth when
reading profiles.

Before this patch, a 21Mb input profile was causing the compiler to grow
to 3Gb in memory.  By switching to std::map, the compiler now grows to
300Mb in memory.

There still are some opportunities for memory footprint reduction. I'll
be looking at those next.

llvm-svn: 255389
 		2015-12-11 23:21:38 +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 Disallow aliases to available_externally. 2015-11-26 19:22:59 +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] Debug message cleanup (NFC) 2015-12-10 16:39:07 +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
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
InlineAlways.cpp [PM/AA] Rebuild LLVM's alias analysis infrastructure in a way compatible 2015-09-09 17:55:00 +00:00
InlineSimple.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
Internalize.cpp IPO: Remove implicit ilist iterator conversions, NFC 2015-10-13 17:51:03 +00:00
LLVMBuild.txt [PGO] Revert revision r254021,r254028,r254035 2015-11-24 23:49:08 +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 [ThinLTO] Support for specifying function index from pass manager 2015-12-07 19:21:11 +00:00
PruneEH.cpp PruneEH pass incorrectly reports that a change was made 2015-12-11 16:30:26 +00:00
SampleProfile.cpp SamplePGO - Reduce memory utilization by 10x. 2015-12-11 23:21:38 +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