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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
* [MS] Don't escape MS C++ names with \01Reid Kleckner2018-03-161-7/+7
| | | | | | | It is not needed after LLVM r327734. Now it will be easier to copy-paste IR symbol names from Clang. llvm-svn: 327738
* Bring r325915 back.Rafael Espindola2018-02-231-7/+7
| | | | | | | | | | | | | | | The tests that failed on a windows host have been fixed. Original message: Start setting dso_local for COFF. With this there are still some GVs where we don't set dso_local because setGVProperties is never called. I intend to fix that in followup commits. This is just the bare minimum to teach shouldAssumeDSOLocal what it should do for COFF. llvm-svn: 325940
* Revert "Start setting dso_local for COFF."Rafael Espindola2018-02-231-7/+7
| | | | | | | | This reverts commit r325915. It will take some time to fix the failures on a windows host. llvm-svn: 325929
* Start setting dso_local for COFF.Rafael Espindola2018-02-231-7/+7
| | | | | | | | | With this there are still some GVs where we don't set dso_local because setGVProperties is never called. I intend to fix that in followup commits. This is just the bare minimum to teach shouldAssumeDSOLocal what it should do for COFF. llvm-svn: 325915
* MS ABI: "Fix" passing non-POD structs by value to variadic functionsReid Kleckner2014-07-081-3/+28
| | | | | | | | | | Of course, such code is horribly broken and will explode on impact. That said, ATL does it, and we have to support them, at least a little bit. Fixes PR20191. llvm-svn: 212508
* [ms-cxxabi] Use inalloca on win32 when passing non-trivial C++ objectsReid Kleckner2014-02-011-0/+27
When a non-trivial parameter is present, clang now gathers up all the parameters that lack inreg and puts them into a packed struct. MSVC always aligns each parameter to 4 bytes and no more, so this is a pretty simple struct to lay out. On win64, non-trivial records are passed indirectly. Prior to this change, clang was incorrectly using byval on win64. I'm able to self-host a working clang with this change and additional LLVM patches. Reviewers: rsmith Differential Revision: http://llvm-reviews.chandlerc.com/D2636 llvm-svn: 200597
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