[PATCH] D28111: Misc cleanups and simplifications for NewGVN.Mostly use a bit more idiomatic C++ where we can,so we can combine some things later.

[Daniel Berlin via llvm-commits]

Most of these changes are performance neutral.
The initial value initialization change avoids a walk of all values.

We could actually avoid that walk entirely through various machinations,
but it doesn't seem worth it yet.



On Sun, Dec 25, 2016 at 2:43 PM, Daniel Berlin via Phabricator <
reviews at reviews.llvm.org> wrote:

> dberlin created this revision.
> dberlin added a reviewer: davide.
> dberlin added a subscriber: llvm-commits.
>
> https://reviews.llvm.org/D28111
>
> Files:
>   include/llvm/Transforms/Scalar/GVNExpression.h
>   lib/Transforms/Scalar/NewGVN.cpp
>
>
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