Jay Foad a46dba24fa [AMDGPU] Extend macro fusion for ADDC and SUBB to SUBBREV ...

Summary:
There's a lot of test case churn but the overall effect is to increase
the number of back-to-back v_sub,v_subbrev pairs, which can execute with
no delay even on gfx10.

Reviewers: arsenm, rampitec, nhaehnle

Subscribers: kzhuravl, jvesely, wdng, yaxunl, dstuttard, tpr, t-tye, hiraditya, kerbowa, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D75999

2020-03-11 17:59:21 +00:00

2.3 KiB

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