[LLVMdev] Documentation of malloc/free

[Garrison Venn]

So I gather this means that malloc was removed from the IR because there are platforms that don't have non-stack allocation semantics?

Garrison

On Dec 7, 2009, at 12:21, Chris Lattner wrote:

> 
> On Dec 7, 2009, at 8:45 AM, Garrison Venn wrote:
> 
>> Ouch! Didn't see that. So at the risk of irritating those still in the process of baking 2.7, what is the sanction way of doing heap allocation going forward? :-)
> 
> No, we only support stack allocation in LLVM IR now. :-)
> 
> You can call out to normal malloc and free, just like any external function.
> 
> -Chris
> 
>> 
>> Garrison
>> 
>> On Dec 7, 2009, at 11:18, Chris Lattner wrote:
>> 
>>> 
>>> On Dec 7, 2009, at 2:13 AM, Florian Merz wrote:
>>> 
>>>> Hi everyone,
>>>> 
>>>> I noticed that MallocInst and FreeInst have been removed from the LLVM IR as
>>>> well as the language reference[1]. May I propose that at least some
>>>> placeholder is left in that document telling the reader that these
>>>> instructions have been removed. This should be kept in at least until there is
>>>> one official release that does not support these instructions anymore.
>>>> The same goes for the addition of the indirect branch instruction. A note in
>>>> the language reference would be nice telling the reader when this instruction
>>>> has been added to the language.
>>> 
>>> Hi Florian,
>>> 
>>> The documentation for LLVM is intended to describe the state of the system without a historical view.  To get the historical view we put major changes in the release notes.  These haven't been written yet for 2.7 though.
>>> 
>>> -Chris
>>> 
>>> 
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>> 
>