[PATCH] Add comdat key field to llvm.global_ctors and llvm.global_dtors

[Reid Kleckner]

ping


On Thu, Apr 24, 2014 at 5:53 PM, Reid Kleckner <rnk at google.com> wrote:

> Hi nicholas, nlewycky,
>
> This allows us to put dynamic initializers for weak data into the same
> comdat group as the data being initialized.  This is necessary for MSVC
> ABI compatibility.  It should also allow GlobalOpt to fire more often
> weak data on other platforms if we can sort out the initialization of
> the guard variable.
>
> http://reviews.llvm.org/D3499
>
> Files:
>   docs/LangRef.rst
>   include/llvm/CodeGen/TargetLoweringObjectFileImpl.h
>   include/llvm/Target/TargetLoweringObjectFile.h
>   lib/CodeGen/AsmPrinter/AsmPrinter.cpp
>   lib/CodeGen/TargetLoweringObjectFileImpl.cpp
>   lib/IR/Verifier.cpp
>   lib/Transforms/IPO/GlobalOpt.cpp
>   test/MC/COFF/global_ctors_dtors.ll
>   test/Transforms/GlobalOpt/ctor-list-opt.ll
>   test/Verifier/global-ctors.ll
>
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