Mark Searles c3c02bde73 [AMDGPU] Waitcnt pass: Modify the waitcnt pass to propagate info in the case of a single basic block loop. mergeInputScoreBrackets() does this for us; update it so that it processes the single bb's score bracket when processing the single bb's preds. It is, after all, a pred of itself, so it's score bracket is needed. ...

Differential Revision: https://reviews.llvm.org/D44434

llvm-svn: 327583

2018-03-14 22:04:32 +00:00

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