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[mlir] avoid crash in transform.sequence verifier #66756

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Merged
merged 1 commit into from
Sep 19, 2023
Merged

[mlir] avoid crash in transform.sequence verifier #66756

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3 changes: 3 additions & 0 deletions mlir/lib/Dialect/Transform/IR/TransformOps.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2188,6 +2188,9 @@ LogicalResult transform::SequenceOp::verify() {
}
}

if (!getBodyBlock()->hasTerminator())
return emitOpError() << "expects to have a terminator in the body";

if (getBodyBlock()->getTerminator()->getOperandTypes() !=
getOperation()->getResultTypes()) {
InFlightDiagnostic diag = emitOpError()
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10 changes: 10 additions & 0 deletions mlir/test/Dialect/Transform/ops-invalid.mlir
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Expand Up @@ -22,6 +22,16 @@ transform.sequence failures(propagate) {
}
}

// -----

// expected-error @below {{expects to have a terminator in the body}}
"transform.sequence"() <{failure_propagation_mode = 1 : i32, operandSegmentSizes = array<i32: 0, 0>}> ({
^bb0(%arg0: !transform.any_op):
transform.apply_patterns to %arg0 {
} : !transform.any_op
}) : () -> ()


// -----

// expected-error @below {{'transform.sequence' op expects trailing entry block arguments to be of type implementing TransformHandleTypeInterface, TransformValueHandleTypeInterface or TransformParamTypeInterface}}
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