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[mlir]Add a check to ensure bailing out when reducing to a scalar #129694

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Merged
merged 3 commits into from
Mar 8, 2025
Merged

[mlir]Add a check to ensure bailing out when reducing to a scalar #129694

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def5a8b
[mlir][vector] Add a check to ensure bailing out when reducing to a s…
Prakhar-Dixit Mar 4, 2025
4dde55a
Add a negative test and modify the return statement
Prakhar-Dixit Mar 5, 2025
0cf035c
modify test
Prakhar-Dixit Mar 5, 2025
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5 changes: 5 additions & 0 deletions mlir/lib/Dialect/Vector/Transforms/VectorUnroll.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -355,6 +355,11 @@ struct UnrollMultiReductionPattern

LogicalResult matchAndRewrite(vector::MultiDimReductionOp reductionOp,
PatternRewriter &rewriter) const override {
auto resultType = reductionOp->getResult(0).getType();
if (mlir::isa<mlir::FloatType>(resultType) ||
mlir::isa<mlir::IntegerType>(resultType)) {
return failure();
}
std::optional<SmallVector<int64_t>> targetShape =
getTargetShape(options, reductionOp);
if (!targetShape)
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