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* IR: print value numbers for unnamed function argumentsTim Northover2019-08-031-1/+1
| | | | | | | | | | For consistency with normal instructions and clarity when reading IR, it's best to print the %0, %1, ... names of function arguments in definitions. Also modifies the parser to accept IR in that form for obvious reasons. llvm-svn: 367755
* [clang-cl] Fix PR38934: failing to dllexport class template member w/ ↵Hans Wennborg2018-09-141-0/+12
| | | | | | | | | | | | explicit instantiation and PCH The code in ASTContext::DeclMustBeEmitted was supposed to handle this, but didn't take into account that synthesized members such as operator= might not get marked as template specializations, because they're synthesized on the instantiation directly when handling the class-level dllexport attribute. llvm-svn: 342240
* [clang-cl] Don't emit dllexport inline functions etc. from pch files (PR37801)Hans Wennborg2018-06-251-0/+84
With MSVC, PCH files are created along with an object file that needs to be linked into the final library or executable. That object file contains the code generated when building the headers. In particular, it will include definitions of inline dllexport functions, and because they are emitted in this object file, other files using the PCH do not need to emit them. See the bug for an example. This patch makes clang-cl match MSVC's behaviour in this regard, causing significant compile-time savings when building dlls using precompiled headers. For example, in a 64-bit optimized shared library build of Chromium with PCH, it reduces the binary size and compile time of stroke_opacity_custom.obj from 9315564 bytes to 3659629 bytes and 14.6 to 6.63 s. The wall-clock time of building blink_core.dll goes from 38m41s to 22m33s. ("user" time goes from 1979m to 1142m). Differential Revision: https://reviews.llvm.org/D48426 llvm-svn: 335466
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