[llvm-commits] [PATCH] Make EarlyCSE understand commutativity

[Owen Anderson]

ENOPATCH ;-)

--Owen

On Sep 21, 2012, at 4:49 PM, Michael Ilseman <milseman at apple.com> wrote:

> The attached patch and tests alter EarlyCSE to also check for commuted values. This allows EarlyCSE to replace:
> 
> t1 = fadd a, b
> t2 = fadd b, a
> 
> with:
> t1 = fadd a, b
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