[PATCH] Add a stackprobe attribute

[Sean Silva]

Has this been discussed on LLVMdev? Our development process requires
changes to the IR to have a design discussion on LLVMdev first.

-- Sean Silva


On Tue, Jul 29, 2014 at 11:35 PM, John Kåre Alsaker <
john.mailinglists at gmail.com> wrote:

> This attribute is used to ensure the guard page is triggered on stack
> overflow. Stack frames larger than the guard page size will generate a call
> to __probestack to touch each page so the guard page won't be skipped.
>
> http://reviews.llvm.org/D4717
>
> Files:
>   docs/LangRef.rst
>   include/llvm-c/Core.h
>   include/llvm/Bitcode/LLVMBitCodes.h
>   include/llvm/IR/Attributes.h
>   lib/AsmParser/LLLexer.cpp
>   lib/AsmParser/LLParser.cpp
>   lib/AsmParser/LLToken.h
>   lib/Bitcode/Reader/BitcodeReader.cpp
>   lib/Bitcode/Writer/BitcodeWriter.cpp
>   lib/IR/Attributes.cpp
>   lib/IR/Verifier.cpp
>   lib/Target/CppBackend/CPPBackend.cpp
>   lib/Target/X86/X86FrameLowering.cpp
>   lib/Transforms/IPO/Inliner.cpp
>   test/Bitcode/attributes.ll
>   test/CodeGen/X86/stack-probes.ll
>   utils/kate/llvm.xml
>   utils/vim/llvm.vim
>
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>
>
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