Nicolai Haehnle f45ea4bbc5 AMDGPU: llvm.amdgcn.interp.mov is a source of divergence ...

Summary:
While the result is constant across a single primitive, each pixel
shader wave can have pixels from multiple primitives.

Reviewers: tstellarAMD, arsenm

Subscribers: kzhuravl, wdng, yaxunl, llvm-commits, tony-tye

Differential Revision: https://reviews.llvm.org/D27572

llvm-svn: 289447

2016-12-12 16:52:19 +00:00

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