[LLVMdev] LLVM SSA
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
> 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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