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David Blaikie cf9d52c690 Prototype: Reduce llvm-profdata merge memory usage further 
The InstrProfWriter already stores the name and hash of the record in
the nested maps it uses for lookup while merging - this data is
duplicated in the value within the maps.

Refactor the InstrProfRecord to use a nested struct for the counters
themselves so that InstrProfWriter can use this nested struct alone
without the name or hash duplicated there.

This work is incomplete, but enough to demonstrate the value (around a
50% decrease in memory usage for a large test case (10GB -> 5GB)).
Though most of that decrease is probably from removing the
SoftInstrProfError as well, but I haven't implemented a replacement for
it yet. (it needs to go with the counters, because the operations on the
counters - merging, etc, are where the failures are - unlike the
name/hash which are totally unused by those counter-related operations
and thus easy to split out)

Ongoing discussion about removing SoftInstrProfError as a field of the
InstrProfRecord is happening on the thread that added it - including
the possibility of moving back towards an earlier version of that
proposed patch that passed SoftInstrProfError through the various APIs,
rather than as a member of InstrProfRecord.

Reviewers: davidxl

Differential Revision: https://reviews.llvm.org/D34838

llvm-svn: 307298
 		2017-07-06 19:00:12 +00:00
..
bugpoint [NFC] Remove multiple semicolons 2017-06-28 23:15:16 +00:00
bugpoint-passes [CMake] bugpoint-passes depends on intrinsics_gen 2016-11-19 02:20:59 +00:00
dsymutil [DWARF] NFC: DWARFDataExtractor combines relocs with DataExtractor. 2017-06-29 16:52:08 +00:00
gold Infer relocation model from module flags in relocatable LTO link. 2017-05-22 21:11:35 +00:00
llc [ORE] Add diagnostics hotness threshold 2017-06-30 23:14:53 +00:00
lli [Orc] Remove the memory manager argument to addModule, and de-templatize the 2017-07-04 04:42:30 +00:00
llvm-ar [llvm-ar] Make llvm-lib behave more like the MSVC archiver 2017-06-12 19:45:35 +00:00
llvm-as [CMake] llvm-as depends on intrinsics_gen 2016-11-19 02:15:04 +00:00
llvm-as-fuzzer
…
llvm-bcanalyzer Bitcode: Include any strings added to the string table in the module hash. 2017-07-06 17:56:01 +00:00
llvm-c-test Spelling mistakes in comments. NFCI. 2017-03-30 12:59:53 +00:00
llvm-cat Bitcode: Add a string table to the bitcode format. 2017-04-17 17:51:36 +00:00
llvm-config [llvm-config] Don't use PATH_MAX 2017-06-01 20:51:55 +00:00
llvm-cov [ProfileData] Unify getInstrProf*SectionName helpers 2017-04-15 00:09:57 +00:00
llvm-cvtres Revert "Revert "Revert "Switch external cvtres.exe for llvm's own resource library.""" 2017-07-05 23:46:06 +00:00
llvm-cxxdump Make the Error class constructor protected 2016-11-11 04:28:40 +00:00
llvm-cxxfilt c++filt: support COFF import thunks 2017-03-22 21:15:19 +00:00
llvm-diff [IR] Redesign the case iterator in SwitchInst to actually be an iterator 2017-04-12 07:27:28 +00:00
llvm-dis [CMake] llvm-dis depends on intrinsics_gen 2016-11-19 02:31:14 +00:00
llvm-dwarfdump [DWARF] Added a blank line in llvm-dwarfdump to test commit access. 2017-06-12 19:04:28 +00:00
llvm-dwp [DWARF] NFC: Collect info used by DWARFFormValue into a helper. 2017-06-26 18:43:01 +00:00
llvm-extract [llvm-extract] Add option for recursive extraction 2017-04-06 20:51:40 +00:00
llvm-go [llvm-go] parameterize $GOPATH construction 2016-07-27 03:21:51 +00:00
llvm-jitlistener Search for llvm-symbolizer binary in the same directory as argv[0], before 2016-06-09 00:53:21 +00:00
llvm-link Re-apply r302108, "IR: Use pointers instead of GUIDs to represent edges in the module summary. NFCI." 2017-05-04 18:03:25 +00:00
llvm-lto Fix dangling StringRefs found by clang-tidy misc-dangling-handle check. 2017-07-04 15:13:02 +00:00
llvm-lto2 Add missing library dependency to fix build break in llvm-lto2 2017-06-28 06:14:30 +00:00
llvm-mc sink DebugCompressionType into MC for exposing to clang 2017-06-09 00:40:19 +00:00
llvm-mc-assemble-fuzzer llvm-mc-fuzzer: add support for assembly 2017-02-27 06:22:17 +00:00
llvm-mc-disassemble-fuzzer llvm-mc-fuzzer: add support for assembly 2017-02-27 06:22:17 +00:00
llvm-mcmarkup Search for llvm-symbolizer binary in the same directory as argv[0], before 2016-06-09 00:53:21 +00:00
llvm-modextract Bitcode: Add a string table to the bitcode format. 2017-04-17 17:51:36 +00:00
llvm-nm Rewrite demangle memory handling. 2017-06-30 05:38:56 +00:00
llvm-objdump [WebAssembly] Add support for printing relocations with llvm-objdump 2017-06-27 20:40:53 +00:00
llvm-opt-report [llvm-opt-report] Fix context-sensitive lines where nothing happened 2017-01-07 20:21:17 +00:00
llvm-pdbutil Fix -Wunused-function by making function declarations in a header non-static 2017-07-06 05:33:32 +00:00
llvm-profdata Prototype: Reduce llvm-profdata merge memory usage further 2017-07-06 19:00:12 +00:00
llvm-readobj Fix dangling StringRefs found by clang-tidy misc-dangling-handle check. 2017-07-04 15:13:02 +00:00
llvm-rtdyld [ExecutionEngine] Make RuntimeDyld::MemoryManager responsible for tracking EH 2017-05-09 21:32:18 +00:00
llvm-shlib CMake: Add LLVM_DYLIB_SYMBOL_VERSIONING option 2017-05-03 14:43:44 +00:00
llvm-size llvm-size: remove leading dash in '-radix' option 2016-12-23 23:55:08 +00:00
llvm-split [CMake] llvm-split depends on intrinsics_gen 2016-11-18 23:20:38 +00:00
llvm-stress [llvm-stress] Add getRandom() helper that was going to be part of D34157. NFCI. 2017-06-26 15:41:36 +00:00
llvm-strings llvm-strings: remove default for -Wcovered-switch-default 2017-01-21 02:52:29 +00:00
llvm-symbolizer Add a verbose/human readable mode to llvm-symbolizer to investigate discriminators and other line table/backtrace features 2017-01-31 22:19:38 +00:00
llvm-xray Move Object format code to lib/BinaryFormat. 2017-06-07 03:48:56 +00:00
lto Spelling mistakes in comments. NFCI. 2017-03-30 12:59:53 +00:00
msbuild Create msbuild only when using MSVC 2017-03-16 20:24:14 +00:00
obj2yaml [WebAssembly] Add data size and alignement to linking section 2017-06-27 20:27:59 +00:00
opt [ORE] Add diagnostics hotness threshold 2017-06-30 23:14:53 +00:00
opt-viewer [opt-viewer] Move under tools, install it 2017-07-06 17:51:15 +00:00
sancov [sancov] Fix broken links and displaced coloring in coverage-report-server.py 2017-03-20 14:06:04 +00:00
sanstats [CMake] sanstats depends on intrinsics_gen 2016-11-18 23:30:39 +00:00
verify-uselistorder [CMake] verify-uselistorder depends on intrinsics_gen 2016-11-18 23:30:58 +00:00
xcode-toolchain [CMake] Minor fix to regex in r279152 2016-08-18 21:36:36 +00:00
yaml2obj [WebAssembly] Add data size and alignement to linking section 2017-06-27 20:27:59 +00:00
CMakeLists.txt Fixup r271533, or check-clang didn't find llvm-lto as the target. 2016-06-02 20:39:24 +00:00
LLVMBuild.txt Rename llvm-pdbdump -> llvm-pdbutil. 2017-06-09 20:46:17 +00:00