Feature vpto backend tinsert new2【不合入】#470
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June 2, 2026 20:23
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1. Reorder ckernel params (constraints before priority) to match base branch, preventing duplicate 'constraints' param on merge. 2. Update tinsert_fp_a3_lowering.pto to expect TINSERT_FP< instead of TINSERT_FP( since the PR adds template params to the emission.
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The VPTO emission pipeline failed on Acc->Vec NZ tinsert cases because PTOMaterializeTileHandles wraps VEC memref operands with a new alloc_tile that uses the DEFAULT tile config (no layout/fractal). When ExpandTileOp then invokes the daemon, the daemon-generated template function expects the original config (blayout=col_major, slayout=row_major, fractal=512), causing bridgeOperandToType to insert an UnrealizedConversionCastOp between the two tile_buf types. After inlining, pto.tile_buf_addr saw the cast result instead of the alloc_tile result, triggering the 'expected tile_buf to be defined by the active materialized tile-handle bridge' error. Fix resolveTileHandle to unwrap any chain of single-operand UnrealizedConversionCastOp before matching AllocTileOp / MaterializeTileOp, and add a cleanup pass to erase dead TileBuf-to-TileBuf casts that become unused after folding.
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