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[MLIR] Fix SCF verifier crash #153974

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Merged
joker-eph merged 1 commit into from
Aug 18, 2025
Merged

[MLIR] Fix SCF verifier crash #153974

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9 changes: 5 additions & 4 deletions mlir/lib/Dialect/SCF/IR/SCF.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -4236,14 +4236,15 @@ LogicalResult scf::IndexSwitchOp::verify() {
<< "see yield operation here";
}
for (auto [idx, result, operand] :
llvm::zip(llvm::seq<unsigned>(0, getNumResults()), getResultTypes(),
yield.getOperandTypes())) {
if (result == operand)
llvm::enumerate(getResultTypes(), yield.getOperands())) {
if (!operand)
return yield.emitOpError() << "operand " << idx << " is null\n";
if (result == operand.getType())
continue;
return (emitOpError("expected result #")
<< idx << " of each region to be " << result)
.attachNote(yield.getLoc())
<< name << " returns " << operand << " here";
<< name << " returns " << operand.getType() << " here";
}
return success();
};
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