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[mlir][linalg] fix segmentation fault in isContractionBody function #108703

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Merged
BRUCE11111 merged 2 commits into from
Sep 27, 2024
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[mlir][linalg] fix segmentation fault in isContractionBody function #108703

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18e8c0f
[mlir][linalg] fix segmentation fault in isContractionBody function
Sep 14, 2024
0b61073
[mlir][linalg] add a simple test
Sep 18, 2024
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2 changes: 1 addition & 1 deletion mlir/lib/Dialect/Linalg/IR/LinalgInterfaces.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -222,7 +222,7 @@ bool mlir::linalg::detail::isContractionBody(
Value contributed = getSourceSkipUnary(
isa<BlockArgument>(reductionLHS) ? reductionRHS : reductionLHS);
Operation *elementwiseOp = contributed.getDefiningOp();
if (elementwiseOp->getNumResults() != 1 ||
if (!elementwiseOp || elementwiseOp->getNumResults() != 1 ||
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@joker-eph joker-eph Sep 15, 2024

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Can you please provide a minimal test for this?

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@BRUCE11111 BRUCE11111 Sep 18, 2024 •
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Hi~ Added to existing test for testing this method. This test can reproduce the problem of the current method.

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@BRUCE11111 BRUCE11111 Sep 20, 2024

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Hello~ Could you please help me to approve this PR? Thanks~

elementwiseOp->getNumOperands() != 2) {
errs << "expected elementwise op to be binary";
return false;
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