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llvm/lib/DebugInfo/DWARF
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Pete Cooper 59023bf389 Avoid dsymutil calls to getFileNameByIndex. 
This change adds a hasFileAtIndex method. getChildDeclContext can first call this method, and if it returns true it knows it can then lookup the resolved path cache for the given file index. If we hit that cache then we don't even have to call getFileNameByIndex.

Running dsymutil against the swift executable built from github gives a 20% performance improvement without any change in the binary.

Differential Revision: https://reviews.llvm.org/D22655

Reviewed by friss.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@276380 91177308-0d34-0410-b5e6-96231b3b80d8
2016-07-22 01:41:32 +00:00
..
CMakeLists.txt dwarfdump: Added macro support to llvm-dwarfdump tool. 2015-11-12 09:38:54 +00:00
DWARFAbbreviationDeclaration.cpp
DWARFAcceleratorTable.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
DWARFCompileUnit.cpp [DWARF parser] Make DWARF parser more robust against missing compile/type units. 2015-05-19 21:54:32 +00:00
DWARFContext.cpp Prune RelocVisitor.h include to avoid including COFF.h from MCJIT.h 2016-07-06 16:56:42 +00:00
DWARFDebugAbbrev.cpp
DWARFDebugAranges.cpp
DWARFDebugArangeSet.cpp
DWARFDebugFrame.cpp Apply clang-tidy's misc-move-constructor-init throughout LLVM. 2016-05-27 14:27:24 +00:00
DWARFDebugInfoEntry.cpp Fix indentation 2015-11-17 00:41:02 +00:00
DWARFDebugLine.cpp Avoid dsymutil calls to getFileNameByIndex. 2016-07-22 01:41:32 +00:00
DWARFDebugLoc.cpp [NFC] Header cleanup 2016-04-18 09:17:29 +00:00
DWARFDebugMacro.cpp [NFC] Header cleanup 2016-04-18 09:17:29 +00:00
DWARFDebugRangeList.cpp
DWARFFormValue.cpp [llvm-dwp] Retrieve the DWOID from the CU for the cu_index entry 2015-12-04 17:20:04 +00:00
DWARFTypeUnit.cpp [DWARF parser] Make DWARF parser more robust against missing compile/type units. 2015-05-19 21:54:32 +00:00
DWARFUnit.cpp llvm-symbolizer: Avoid infinite recursion walking dwos where the dwo contains a dwo_name attribute 2016-04-22 22:50:56 +00:00
DWARFUnitIndex.cpp dwarfdump: Correctly indentify the indicies for DWP records 2015-12-03 18:41:59 +00:00
LLVMBuild.txt
SyntaxHighlighting.cpp dwarfdump: Added macro support to llvm-dwarfdump tool. 2015-11-12 09:38:54 +00:00
SyntaxHighlighting.h dwarfdump: Added macro support to llvm-dwarfdump tool. 2015-11-12 09:38:54 +00:00