[PATCH] D147408: [AMDGPU] Iterative scan implementation for atomic optimizer.
Pravin Jagtap via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Jun 6 02:41:45 PDT 2023
pravinjagtap added inline comments.
================
Comment at: llvm/lib/Target/AMDGPU/AMDGPUAtomicOptimizer.cpp:759
+ // Control flow is changed here after splitting I's block
+ assert(DTU.getDomTree().verify(DominatorTree::VerificationLevel::Fast));
+
----------------
arsenm wrote:
> Won't the regular post-pass verifier catch this?
> Won't the regular post-pass verifier catch this?
Yes, During my experimentation I found that `-verify-dom-info` is not catching the issues related to updates required in dominator tree (both with opt and llc). Although, `assert` here is giving desired behavior.
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https://reviews.llvm.org/D147408/new/
https://reviews.llvm.org/D147408
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