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llvm-project/llvm/lib/Transforms/IPO
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Dehao Chen 64c46574b0 Increase the import-threshold for crtical functions. 
Summary: For interative sample-pgo, if a hot call site is inlined in the profiling binary, we should inline it in before profile annotation in the backend. Before that, the compile phase first collects all GUIDs that needs to be imported and creates virtual "hot" call edge in the summary. However, "hot" is not good enough to guarantee the callsites get inlined. This patch introduces "critical" call edge, and assign much higher importing threshold for those edges.

Reviewers: tejohnson

Reviewed By: tejohnson

Subscribers: sanjoy, mehdi_amini, llvm-commits, eraman

Differential Revision: https://reviews.llvm.org/D35096

llvm-svn: 307439
 		2017-07-07 21:01:00 +00:00
..
AlwaysInliner.cpp [PM] Teach the always inliner in the new pass manager to support 2016-12-26 23:43:27 +00:00
ArgumentPromotion.cpp [ArgPromotion] Fix a truncated variable 2017-05-04 10:54:35 +00:00
BarrierNoopPass.cpp
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CMakeLists.txt IPO: Introduce ThinLTOBitcodeWriter pass. 2016-12-16 00:26:30 +00:00
ConstantMerge.cpp Don't merge global constants with non-dbg metadata. 2017-03-09 00:03:37 +00:00
CrossDSOCFI.cpp [cfi] CFI-ICall for ThinLTO. 2017-06-16 00:18:29 +00:00
DeadArgumentElimination.cpp [DAE] Simplify attribute list creation, NFC 2017-04-19 23:45:45 +00:00
ElimAvailExtern.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
ExtractGV.cpp [ExtractGV] Fix the doxygen comment on the constructor and the class to refer to global values instead of functions. While there fix an 80 column violation. NFC 2017-06-08 23:38:19 +00:00
ForceFunctionAttrs.cpp [PM] Remove support for omitting the AnalysisManager argument to new 2016-06-17 00:11:01 +00:00
FunctionAttrs.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
FunctionImport.cpp Increase the import-threshold for crtical functions. 2017-07-07 21:01:00 +00:00
GlobalDCE.cpp Global DCE performance improvement 2017-01-27 19:48:57 +00:00
GlobalOpt.cpp [GlobalOpt] Remove unreachable blocks before optimizing a function. 2017-07-05 22:28:28 +00:00
GlobalSplit.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
IPConstantPropagation.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
IPO.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
InferFunctionAttrs.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
InlineSimple.cpp Do not inline hot callsites for samplepgo in thinlto compile phase. 2017-03-21 19:55:36 +00:00
Inliner.cpp Inliner: Avoid calling shouldInline until it's absolutely necessary 2017-06-13 02:24:09 +00:00
Internalize.cpp Consistently use ModuleAnalysisManager 2016-08-09 00:28:38 +00:00
LLVMBuild.txt IPO: Add missing build dep. 2017-05-01 20:57:20 +00:00
LoopExtractor.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
LowerTypeTests.cpp [cfi] CFI-ICall for ThinLTO. 2017-06-16 00:18:29 +00:00
MergeFunctions.cpp Rename WeakVH to WeakTrackingVH; NFC 2017-05-01 17:07:49 +00:00
PartialInlining.cpp Fix function name /NFC 2017-06-16 16:54:13 +00:00
PassManagerBuilder.cpp Avoid constructing GlobalExtensions only to find out it is empty. 2017-07-06 00:09:09 +00:00
PruneEH.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
SampleProfile.cpp Hook the sample PGO machinery in the new PM 2017-06-29 23:33:05 +00:00
StripDeadPrototypes.cpp [PM] Remove support for omitting the AnalysisManager argument to new 2016-06-17 00:11:01 +00:00
StripSymbols.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
ThinLTOBitcodeWriter.cpp Bitcode: Write the irsymtab to disk. 2017-06-27 23:50:11 +00:00
WholeProgramDevirt.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00