Eric Christopher echristo at apple.com
Mon Sep 28 11:16:42 PDT 2009

On Sep 26, 2009, at 1:32 PM, ivtm wrote:

> I tried using the mem2reg pass with  opt,
> e.g. opt -reg2mem x.bc

No, don't use mem2reg, and...

> where x.bc was produced with:
> llvm-gcc -O2 -emit-llvm -c x.c -o x.bc
> I use -O2 because it produces the least # of instructions and hence  
> the
> least # of new SSA virtual registers.

Don't do this either because it's going to run mem2reg. You want to  
emit unoptimized llvm ir and don't run mem2reg.

But you still haven't said why you'd want to do a thing so I imagine  
you're going to see less and less people responding to you.


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