[LLVMdev] recursing llvm

[Eric Christopher]

On Jun 27, 2012, at 5:28 PM, Óscar Fuentes <ofv at wanadoo.es> wrote:

> Eric Christopher <echristo at apple.com> writes:
> 
>> 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?
> 
> Step 1: compile Clang with some other compiler (i.e. gcc or old Clang)
> 
> Step 2: compile Clang with the binaries produced on step 1
> 
> Step 3: compile Clang with the binaries produced on step 2
> 
> I think he means Step 3.

You missed a step 4 too "verify that the output of step 2 and step 3 are the same" :)

I'll let David pipe up with what the scripts do, but if they don't do this then we should fix them to do so.

-eric