[PATCH] D15124: Use @llvm.invariant.start/end intrinsics to extend basic AA with invariant range analysis for GVN-based load elimination purposes [Local objects only]

Chandler Carruth via llvm-commits llvm-commits at lists.llvm.org
Tue Jan 26 19:59:15 PST 2016

Sorry for not mentioning it here sooner, but I've put some comments in the
document. Let me know where you'd like to conclude that discussion. I think
it will be hard to dig much further into the code without resolving that
fundamental question.

On Tue, Jan 26, 2016 at 11:13 AM Larisse Voufo <lvoufo at gmail.com> wrote:

> lvoufo added a comment.
> Why post-dominance analysis? I'm glad you asked. :)
> Check out this doc:
> https://docs.google.com/document/d/1R-gINRdpxzLy82EZK_ymnVNyOPO-tzW5ksNcHuRvxBs/edit?usp=sharing
> .
> Comments welcome.
> On the benchmark results: The previous runs have led to results that are
> inconsistent enough that I am revising the benchmarking environment in use.
> Will keep you posted once I have a more reliable environment and more
> consistent data.
> http://reviews.llvm.org/D15124
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