Nicolai Haehnle ef160de3e5 AMDGPU: Prevent uniform loops from becoming infinite ...

Summary:
Uniform loops where the branch leaving the loop is predicated on VCCNZ
must be skipped if EXEC = 0, otherwise they will be infinite.

Reviewers: tstellarAMD, arsenm

Subscribers: arsenm, llvm-commits

Differential Revision: http://reviews.llvm.org/D18137

llvm-svn: 263658

2016-03-16 20:14:33 +00:00

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