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Justin Lebar
c904368f3d
[PM] Add a SpeculativeExecution pass for targets with divergent branches.
Summary: This IR pass is helpful for GPUs, and other targets with divergent branches. It's a nop on targets without divergent branches. Reviewers: chandlerc Subscribers: llvm-commits, jingyue, rnk, joker.eph, tra Differential Revision: http://reviews.llvm.org/D18626 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266399 91177308-0d34-0410-b5e6-96231b3b80d8
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