[PATCH] D61564: [AMDGPU] Check MI bundles for hazards
Austin Kerbow via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sun May 5 01:57:16 PDT 2019
kerbowa created this revision.
kerbowa added reviewers: arsenm, msearles, rampitec.
Herald added subscribers: llvm-commits, hiraditya, t-tye, tpr, dstuttard, yaxunl, nhaehnle, wdng, jvesely, kzhuravl.
Herald added a project: LLVM.
GCNHazardRecognizer fails to identify hazards that are in and around bundles. This patch allows the hazard recognizer to consider bundled instructions in both scheduler and hazard recognizer mode. We ignore “bundledness” for the purpose of detecting hazards and examine the instructions individually.
1. Enter a commit message. #
2. Changes:
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D61564
Files:
llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp
llvm/lib/Target/AMDGPU/GCNHazardRecognizer.h
llvm/lib/Target/AMDGPU/SIInstrInfo.cpp
llvm/lib/Target/AMDGPU/SIInstrInfo.h
llvm/test/CodeGen/AMDGPU/hazard-bundle.mir
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