https://github.com/bwendling updated
https://github.com/llvm/llvm-project/pull/102549
>From 7ba43ae2b737fbd868848a23b58b3965f8d36ce1 Mon Sep 17 00:00:00 2001
From: Bill Wendling
Date: Tue, 6 Aug 2024 17:49:01 -0700
Subject: [PATCH 01/10] [WIP][Clang] Add __builtin_get_counted_by builtin
The __
bwendling wrote:
> So the idea here is that if the struct in question uses counted_by, you
> automatically set the count... and if, for whatever reason, the compiler
> can't find the corresponding field, you just throw away the count? That seems
> like an terrifying API; it's impossible to pre
efriedma-quic wrote:
So the idea here is that if the struct in question uses counted_by, you
automatically set the count... and if, for whatever reason, the compiler can't
find the corresponding field, you just throw away the count? That seems like
an terrifying API; it's impossible to predic
kees wrote:
> > I'd expect some kind of diagnostic when the specified field doesn't have a
> > corresponding counted_by field.
>
> So there's a complication with that. The use case for this builtin is to
> automatically set the `count` field during allocation in the Linux kernel.
> (It could
https://github.com/bwendling updated
https://github.com/llvm/llvm-project/pull/102549
>From 7ba43ae2b737fbd868848a23b58b3965f8d36ce1 Mon Sep 17 00:00:00 2001
From: Bill Wendling
Date: Tue, 6 Aug 2024 17:49:01 -0700
Subject: [PATCH 1/9] [WIP][Clang] Add __builtin_get_counted_by builtin
The __bu
bwendling wrote:
> I'd expect some kind of diagnostic when the specified field doesn't have a
> corresponding counted_by field.
So there's a complication with that. The use case for this builtin is to
automatically set the `count` field during allocation in the Linux kernel. (It
could be used
efriedma-quic wrote:
I'd expect some kind of diagnostic when the specified field doesn't have a
corresponding counted_by field.
https://github.com/llvm/llvm-project/pull/102549
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https://github.com/bwendling updated
https://github.com/llvm/llvm-project/pull/102549
>From 7ba43ae2b737fbd868848a23b58b3965f8d36ce1 Mon Sep 17 00:00:00 2001
From: Bill Wendling
Date: Tue, 6 Aug 2024 17:49:01 -0700
Subject: [PATCH 1/8] [WIP][Clang] Add __builtin_get_counted_by builtin
The __bu
github-actions[bot] wrote:
:warning: C/C++ code formatter, clang-format found issues in your code.
:warning:
You can test this locally with the following command:
``bash
git-clang-format --diff bb7143f6669345825c214b26fbe336857f4bf523
197cd1c945c4b1c5cdd38d07f6ed5dd2baa96ab2 --e
bwendling wrote:
There's still some cleanup to do. Firstly, the code to get the `MemberExpr` for
the flexible array member. It's sloppy.
https://github.com/llvm/llvm-project/pull/102549
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bwendling wrote:
@kees
https://github.com/llvm/llvm-project/pull/102549
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llvmbot wrote:
@llvm/pr-subscribers-clang
Author: Bill Wendling (bwendling)
Changes
The __builtin_get_counted_by builtin is used on a flexible array
pointer and returns a pointer to the "counted_by" attribute's COUNT
argument, which is a field in the same non-anonymous struct as the
flexib
https://github.com/bwendling created
https://github.com/llvm/llvm-project/pull/102549
The __builtin_get_counted_by builtin is used on a flexible array
pointer and returns a pointer to the "counted_by" attribute's COUNT
argument, which is a field in the same non-anonymous struct as the
flexible a
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