https://github.com/zygoloid created
https://github.com/llvm/llvm-project/pull/96573
Explicitly describe how the Clang builtin works, given that it's not exactly
the same as GCC's builtin of the same name -- but is drop-in compatible.
Fixes #95635.
>From 3394d999888087535db9ede87668829eddc33ac
llvmbot wrote:
@llvm/pr-subscribers-clang
Author: Richard Smith (zygoloid)
Changes
Explicitly describe how the Clang builtin works, given that it's not exactly
the same as GCC's builtin of the same name -- but is drop-in compatible.
Fixes #95635.
---
Full diff: https://github.com/llvm/l
@@ -5368,16 +5368,85 @@ The ``#pragma comment(lib, ...)`` directive is
supported on all ELF targets.
The second parameter is the library name (without the traditional Unix prefix
of
``lib``). This allows you to provide an implicit link of dependent libraries.
-Evaluating Ob
https://github.com/allanjude edited
https://github.com/llvm/llvm-project/pull/96573
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@@ -5368,16 +5368,85 @@ The ``#pragma comment(lib, ...)`` directive is
supported on all ELF targets.
The second parameter is the library name (without the traditional Unix prefix
of
``lib``). This allows you to provide an implicit link of dependent libraries.
-Evaluating Ob
https://github.com/zygoloid updated
https://github.com/llvm/llvm-project/pull/96573
>From 3394d999888087535db9ede87668829eddc33ac7 Mon Sep 17 00:00:00 2001
From: Richard Smith
Date: Mon, 24 Jun 2024 15:52:18 -0700
Subject: [PATCH 1/2] Add documentation for `__builtin_object_size`.
Explicitly d
https://github.com/AaronBallman approved this pull request.
Thank you for the additional docs, they LGTM!
https://github.com/llvm/llvm-project/pull/96573
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bwendling wrote:
This LGTM as well. I have a question about the "sub-object" part. Do we attempt
to discover the sub-object past any casting? A motivating example:
```c
char mux[10][10][10];
printf("%ld\n", __builtin_dynamic_object_size(&((char *)&mux[1][1])[var], 1));
```
GCC prints `89` (wh
zygoloid wrote:
> I have a question about the "sub-object" part. Do we attempt to discover the
> sub-object past any casting?
Good question. I'm going to merge this PR, so I've filed #96737 for this
ongoing discussion.
https://github.com/llvm/llvm-project/pull/96573
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https://github.com/zygoloid closed
https://github.com/llvm/llvm-project/pull/96573
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