Tom Stellard 8478bd5765 AMDGPU/SI: Use the hazard recognizer to break SMEM soft clauses
Summary:
Add support for detecting hazards in SMEM soft clauses, so that we only
break the clauses when necessary, either by adding s_nop or re-ordering
other alu instructions.

Reviewers: arsenm

Subscribers: arsenm, llvm-commits

Differential Revision: http://reviews.llvm.org/D18870

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@268260 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-02 17:39:06 +00:00
2016-04-29 14:52:12 +00:00

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