Hi, On Tue, Sep 1, 2015 at 1:17 AM, Richard Smith via cfe-commits <cfe-commits@lists.llvm.org> wrote: > Author: rsmith > Date: Mon Aug 31 17:17:11 2015 > New Revision: 246497 > > URL: http://llvm.org/viewvc/llvm-project?rev=246497&view=rev > Log: > [modules] Rework serialized DeclContext lookup table management. Instead of > walking the loaded ModuleFiles looking for lookup tables for the context, > store > them all in one place, and merge them together if we find we have too many > (currently, more than 4). If we do merge, include the merged form in our > serialized lookup table, so that downstream readers never need to look at our > imports' tables. > > This gives a huge performance improvement to builds with very large numbers of > modules (in some cases, more than a 2x speedup was observed). > > Added: > cfe/trunk/lib/Serialization/MultiOnDiskHashTable.h
This doesn't seem to compile with VS2015: FAILED: C:\PROGRA~2\MICROS~1.0\VC\bin\amd64\cl.exe /nologo /TP /DWIN32 /D_WINDOWS -wd4146 -wd4180 -wd4244 -wd4258 -wd4267 -wd4291 -wd4345 -wd4351 -wd4355 -wd4456 -wd4457 -wd4458 -wd4459 -wd4503 -wd4624 -wd4722 -wd4800 -wd4100 -wd4127 -wd4512 -wd4505 -wd4610 -wd4510 -wd4702 -wd4245 -wd4706 -wd4310 -wd4701 -wd4703 -wd4389 -wd4611 -wd4805 -wd4204 -wd4577 -wd4091 -wd4324 -w14062 -we4238 /W4 /Zc:inline /Zc:sizedDealloc- /MT /O2 /Ob2 -Itools\clang\lib\Serialization -I..\tools\clang\lib\Serialization -I..\tools\clang\include -Itools\clang\include -Iinclude -I..\include -UNDEBUG /EHs-c- /GR- /showIncludes -DCLANG_ENABLE_ARCMT -DCLANG_ENABLE_OBJC_REWRITER -DCLANG_ENABLE_STATIC_ANALYZER -DGTEST_HAS_RTTI=0 -D_CRT_NONSTDC_NO_DEPRECATE -D_CRT_NONSTDC_NO_WARNINGS -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS -D_GNU_SOURCE -D_HAS_EXCEPTIONS=0 -D_SCL_SECURE_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS /Fotools\clang\lib\Serialization\CMakeFiles\clangSerialization.dir\ASTReader.cpp.obj /Fdtools\clang\lib\Serialization\CMakeFiles\clangSerialization.dir\ /FS -c ..\tools\clang\lib\Serialization\ASTReader.cpp c:\cygwin64\home\ismail\src\llvm\tools\clang\lib\serialization\MultiOnDiskHashTable.h(117): error C2065: 'Files': undeclared identifier c:\cygwin64\home\ismail\src\llvm\tools\clang\lib\serialization\MultiOnDiskHashTable.h(111): note: while compiling class template member function 'void clang::serialization::MultiOnDiskHashTable<clang::serialization::reader::ASTDeclContextNameLookupTrait>::removeOverriddenTables(void)' c:\cygwin64\home\ismail\src\llvm\tools\clang\lib\serialization\MultiOnDiskHashTable.h(243): note: see reference to function template instantiation 'void clang::serialization::MultiOnDiskHashTable<clang::serialization::reader::ASTDeclContextNameLookupTrait>::removeOverriddenTables(void)' being compiled c:\cygwin64\home\ismail\src\llvm\tools\clang\lib\serialization\ASTReaderInternals.h(114): note: see reference to class template instantiation 'clang::serialization::MultiOnDiskHashTable<clang::serialization::reader::ASTDeclContextNameLookupTrait>' being compiled c:\cygwin64\home\ismail\src\llvm\tools\clang\lib\serialization\MultiOnDiskHashTable.h(117): error C2228: left of '.count' must have class/struct/union c:\cygwin64\home\ismail\src\llvm\tools\clang\lib\serialization\MultiOnDiskHashTable.h(117): note: type is 'unknown-type' ninja: build stopped: subcommand failed. _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
