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| author | Carl Ritson <carl.ritson@amd.com> | 2019-05-20 07:20:12 +0000 |
|---|---|---|
| committer | Carl Ritson <carl.ritson@amd.com> | 2019-05-20 07:20:12 +0000 |
| commit | 34e95ce2595ff350bd9773174d73f0f4a749a459 (patch) | |
| tree | 1c5900c220ec59adccc132beefbec81ea5727d0f /llvm/lib/CodeGen/LiveDebugVariables.cpp | |
| parent | faf541e1e157edd9389e54262f9dfd4a608f0020 (diff) | |
| download | llvm-34e95ce2595ff350bd9773174d73f0f4a749a459.zip llvm-34e95ce2595ff350bd9773174d73f0f4a749a459.tar.gz llvm-34e95ce2595ff350bd9773174d73f0f4a749a459.tar.bz2 | |
[AMDGPU] gfx1010 Avoid SMEM WAR hazard for some s_waitcnt values
Summary:
Avoid introducing hazard mitigation when lgkmcnt is reduced to 0.
Clarify code comments to explain assumptions made for this hazard
mitigation. Expand and correct test cases to cover variants of
s_waitcnt.
Reviewers: nhaehnle, rampitec
Subscribers: arsenm, kzhuravl, jvesely, wdng, yaxunl, dstuttard, tpr, t-tye, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D62058
llvm-svn: 361124
Diffstat (limited to 'llvm/lib/CodeGen/LiveDebugVariables.cpp')
0 files changed, 0 insertions, 0 deletions