[Relax][Bugfix] Apply FuseOps to nested DataflowBlock #17022
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While it is ill-formed for control-flow to occur within a `DataflowBlock`, it is legal for a `DataflowBlock` to be contained within a control-flow. Prior to this commit, the `FuseOps` and `FuseOpsByPattern` transforms erroneously skipped `DataflowBlock` instances that were contained within a `relax::If` node. This commit updates `FuseOps` to apply operator fusion to any dataflow block, regardless of whether it is found at the top level of a a Relax function. Co-authored-by: Chris Sullivan <csullivan@octoml.ai>
tqchen
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May 24, 2024
| if (it != graph_.node_map.end()) { | ||
| leaf_node = it->second; | ||
| } else if (leaf_expr->IsInstance<ConstantNode>() || leaf_expr->IsInstance<ShapeExprNode>() || | ||
| leaf_expr->IsInstance<PrimValueNode>() || leaf_expr->IsInstance<StringImmNode>() || |
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Is this intended change? Seems that we should consider sass where constant value(and there may not be a binding pt)
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Closing to resubmit as a new PR (same issue as mentioned here), due to CI issues. |
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While it is ill-formed for control-flow to occur within a
DataflowBlock, it is legal for aDataflowBlockto be contained within a control-flow. Prior to this commit, theFuseOpsandFuseOpsByPatterntransforms erroneously skippedDataflowBlockinstances that were contained within arelax::Ifnode.This commit updates
FuseOpsto apply operator fusion to any dataflow block, regardless of whether it is found at the top level of a a Relax function.