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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Thanks Reid for the support. Welcome Justin/Briana to the discussion. Happy to hear that AttributeSets attached to GlobalVariable will be useful for other purposes as well.
<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Reid Kleckner [mailto:rnk@google.com]
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<b>Sent:</b> 14 March 2017 20:15<br>
<b>To:</b> James Molloy <james@jamesmolloy.co.uk>; Justin Lebar <jlebar@google.com>; Briana Grace <brianagrace@google.com><br>
<b>Cc:</b> Javed Absar <Javed.Absar@arm.com>; Jonathan Roelofs <jonathan@codesourcery.com>; LLVM Dev <llvm-dev@lists.llvm.org>; nd <nd@arm.com>; cfe-dev@lists.llvm.org<br>
<b>Subject:</b> Re: [llvm-dev] [cfe-dev] proposal - pragma section directive in clang<o:p></o:p></span></p>
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<p class="MsoNormal">+Justin and Briana, they wanted attributes on GlobalVariables recently for GPU textures.<o:p></o:p></p>
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<p class="MsoNormal">On Tue, Mar 14, 2017 at 1:02 PM, James Molloy <<a href="mailto:james@jamesmolloy.co.uk" target="_blank">james@jamesmolloy.co.uk</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">Hi Reid,<o:p></o:p></p>
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<p class="MsoNormal">Unfortunately yes, it is.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">OK.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">> <span style="color:#212121">If we do go with approach 3, I'd recommend adding a single metadata attachment that controls all sections a global could possibly live in (text, data, rdata, bss).</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="color:#212121">I agree with this, although I think using metadata here wouldn't be right - don't we need to use attributes when dropping metadata would cause miscompiles?</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="color:#212121">I was considering adding an attributeset to global variables, so we'd have something like:</span><o:p></o:p></p>
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<p class="MsoNormal">We could definitely add AttributeSets to GlobalValue. I'd support that. It also achieves the optimization goal of not having three attachments for every global.<o:p></o:p></p>
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