[LLVMdev] SSA or not SSA?

[Patrick Meredith]

All register uses are SSA.  Memory is not in SSA.  The mem2reg pass  
which promotes stack variables to registers effectively converts non- 
SSA to SSA.  There was a reg2mem pass, written by Andrew Lenharth, I'm  
not sure if it's still being maintained.

On Jul 7, 2008, at 8:47 AM, Matthieu Moy wrote:

> Hi,
>
> Silly question from an LLVM newbie: the LLVM LRM say that the bytecode
> is "is an SSA based representation". Indeed, my experience with
> llvm-gcc is that the generated code is not necessarily SSA, while
> the one given by "llvm-gcc -O1" is.
>
> Is this assumption correct?
>
> Is there a non-SSA to SSA translator available?
>
> Thanks,
>
> -- 
> Matthieu
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