[LLVMdev] recursing llvm

[Eric Christopher]

Doesn't look like it. We could probably use this as a makefile target or something so that everyone can rather than the nightly tests.

I've filed a bug internally here, but a PR probably wouldn't go amiss if there isn't one already.

-eric

On Jun 28, 2012, at 12:45 PM, Reed Kotler <rkotler at mips.com> wrote:

> Okay. Cool.
> 
> So do you bootrstrap and verify  as part of the usual testing?
> 
> Do the nightly scripts do this?
> 
> Reed
> 
> On 06/28/2012 11:08 AM, Eric Christopher wrote:
>> On Jun 27, 2012, at 10:48 PM, Reed Kotler<rkotler at mips.com>  wrote:
>> 
>>> On 06/27/2012 05:00 PM, Eric Christopher wrote:
>>>> On Jun 19, 2012, at 5:24 PM, reed kotler<rkotler at mips.com>   wrote:
>>>> 
>>>>> Do the llvm nightly scripts "recurse" the compiler or just test that it
>>>>> can self host itself?
>>>>> 
>>>> No idea what you mean here. Can you explain?
>>>> 
>>>> -eric
>>> recursing a compiler means this.
>>> 
>>> clang/llvm source == src
>>> 
>>> compile src using clang/llvm (which may have been built using gcc) ->  clang/llvm'   (prime)
>>> 
>>> compile src using clang/llvm' ->  clang/llvm''
>>> 
>>> verify that the binaries for clang/llvm' == binaries for clang/llvm''
>>> 
>>> A compiler can be self hosted (made using itself) by just producing clang/llvm'
>>> 
>>> That is not as strong a test as recursing the compiler, even though you might run the full
>>> test suite using clang/llvm"
>> So... what I said? This is usually called a "bootstrap" of the compiler with "verification".
>> 
>> -eric
>