[llvm] r276479 - Add flag to PassManagerBuilder to disable GVN Hoist Pass.

[Hans Wennborg via llvm-commits]

Merged to 3.9 in r276647, as discussed in the code review.

Thanks,
Hans

On Fri, Jul 22, 2016 at 3:02 PM, Alina Sbirlea via llvm-commits
<llvm-commits at lists.llvm.org> wrote:
> Author: asbirlea
> Date: Fri Jul 22 17:02:19 2016
> New Revision: 276479
>
> URL: http://llvm.org/viewvc/llvm-project?rev=276479&view=rev
> Log:
> Add flag to PassManagerBuilder to disable GVN Hoist Pass.
>
> Summary:
> Adding a flag to diable GVN Hoisting by default.
> Note: The GVN Hoist Pass causes some Halide tests to hang. Halide will disable the pass while investigating.
>
> Reviewers: llvm-commits, chandlerc, spop, dberlin
>
> Subscribers: mehdi_amini
>
> Differential Revision: https://reviews.llvm.org/D22639