Displaying 2 results from an estimated 2 matches for "r223684".
2014 Dec 08
2
[LLVMdev] Incorrect loop optimization when building the Linux kernel
On Mon, Dec 08, 2014 at 11:46:45AM -0800, David Majnemer wrote:
> I'm pretty sure this is fixed in r223684. This particular use of
> zero-sized arrays should defeat any chance of compile-time address equality.
I object that change. It's a horrible special case hack for either a
fundamental issue in the IR or plain UB on the source level. As such, it
should be reverted.
Joerg
2014 Dec 08
3
[LLVMdev] Incorrect loop optimization when building the Linux kernel
On Sun, Dec 7, 2014 at 11:16 PM, Nick Lewycky <nicholas at mxc.ca> wrote:
> Chengyu Song wrote:
>
>> It's difficult to say without a full example, but I'm very suspicious
>>> of those global declarations. I think the compiler would be entirely
>>> justified in assuming you could *never* get from __start_builtin_fw to
>>> __end_builtin_fw, let