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Refactor Single Loop Fusing Logic #142

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Merged
ShangkunLi merged 2 commits into from
Oct 7, 2025
Merged

Refactor Single Loop Fusing Logic #142

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297a181
refine loop fuse
ShangkunLi Oct 6, 2025
16cf445
refactor the tests
ShangkunLi Oct 6, 2025
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25 changes: 13 additions & 12 deletions include/NeuraDialect/NeuraOps.td
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Original file line number Diff line number Diff line change
Expand Up @@ -465,27 +465,28 @@ def Neura_LoopControlOp : Op<NeuraDialect, "loop_control">{
// Shows loop control that calculates next index and validity in one step.
%next_idx, %loop_valid = neura.loop_control(
parent_valid = %parent_valid,
start = %start_val,
end = %end_val,
step = %step_val
) <{iteration_type = "increment"}> : !neura.data<i1, i1>,
!neura.data<i64, i1>, !neura.data<i64, i1>, !neura.data<i64, i1>
-> !neura.data<i64, i1>, !neura.data<i1, i1>
) <{
start_value = 0 : i64,
end_value = 100 : i64,
step_value = 1 : i64,
iteration_type = "increment"
}> : !neura.data<i1, i1> -> !neura.data<i64, i1>, !neura.data<i1, i1>
}];

let arguments = (ins
AnyType:$parentValid, // Valid predicate from the parent loop.
StrAttr:$iterationType, // Type of the loop iteration (e.g., "increment", "decrement").
AnyType:$start, // Start index of the loop (optional if startValue attr is presented).
AnyType:$end, // End index of the loop (optional if endValue attr is presented).
AnyType:$step // Step size for the loop (optional if stepValue attr is presented).
AnyAttr:$iterationType, // "increment" or "decrement".
AnyAttr:$start, // Start index value.
AnyAttr:$end, // End index value.
AnyAttr:$step // Step value (increment or decrement based on iteration_type).
);


let results = (outs
AnyType:$nextindex, // Current loop index
AnyType:$valid // Valid predicate for the current index
);

let assemblyFormat =
" `(``parent_valid` `=` $parentValid `,` `start` `=` $start `,` `end` `=` $end `,` `step` `=` $step`)` attr-dict `:` type($parentValid) `,` type($start) `,` type($end) `,` type($step) `->` type($nextindex) `,` type($valid)";
// let assemblyFormat =
// " `(``parent_valid` `=` $parentValid `,` `start` `=` $start `,` `end` `=` $end `,` `step` `=` $step`)` attr-dict `:` type($parentValid) `,` type($start) `,` type($end) `,` type($step) `->` type($nextindex) `,` type($valid)";
}
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