[LLVMdev] PR19267 - Add a feature to clobber non-calle-save regs in the prolog.

[Philip Reames]

Sounds like it could be useful for debugging purposes.

If you implement it, I'd turn it on for some of our local verification 
runs.  Finding runtime calling convention bugs cheaply is always nice.  :)

Philip

On 03/27/2014 03:10 PM, Andrew Trick wrote:
> This is a feature I’m considering for the LLVM backend. Feel free to provide input in the following PR.
>
> llvm.org/pr19267 - Add a feature to clobber non-callee-save regs in the prolog.
>
> I’m copying llvm-dev because it seems like something that others must have already done or at least thought about at some point.
>
> -Andy
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