[llvm-commits] [llvm] r118378 - in /llvm/trunk: lib/Analysis/InstructionSimplify.cpp lib/Target/README.txt test/Transforms/InstCombine/select.ll

[Frits van Bommel]

On Mon, Nov 8, 2010 at 2:38 PM, Duncan Sands <baldrick at free.fr> wrote:
> Another thing to consider is doing this "looking through select/phi"
> optimization for other instructions, and not just compares.  For
> example for logical operations like "and".  What do you think?

I'm pretty sure -instcombine already does things like this, at least
for bitwise operations like 'and' when combined with 'select' and many
other instructions (though it doesn't seem to handle 'phi'
instrutions).