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MLIR: improve num returns error #2196

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Dec 13, 2024
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MLIR: improve num returns error #2196

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5 changes: 5 additions & 0 deletions enzyme/Enzyme/MLIR/Passes/EnzymeMLIRPass.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -157,6 +157,11 @@ struct DifferentiatePass : public DifferentiatePassBase<DifferentiatePass> {
OpBuilder builder(CI);
auto dCI = builder.create<func::CallOp>(CI.getLoc(), newFunc.getName(),
newFunc.getResultTypes(), args);
if (dCI.getNumResults() != CI.getNumResults()) {
CI.emitError() << "Incorrect number of results for enzyme operation: "
<< *CI << " expected " << *dCI;
return failure();
}
CI.replaceAllUsesWith(dCI);
CI->erase();
return success();
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