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//===- TestTransformStateExtension.cpp ------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "TestTransformStateExtension.h"
using namespace mlir;
LogicalResult
test::TestTransformStateExtension::updateMapping(Operation *previous,
Operation *updated) {
// Update value handles. The new ops should have at least as many results as
// the replacement op. Fewer results are acceptable, if those results are not
// mapped to any handle.
for (auto r = updated->getNumResults(); r < previous->getNumResults(); ++r) {
SmallVector<Value> handles;
(void)getTransformState().getHandlesForPayloadValue(previous->getResult(r),
handles);
if (!handles.empty())
return emitError(previous->getLoc())
<< "cannot replace an op with another op producing fewer results "
"while tracking handles";
}
for (auto [oldValue, newValue] :
llvm::zip(previous->getResults(), updated->getResults()))
if (failed(replacePayloadValue(oldValue, newValue)))
return failure();
// Update op handle.
return replacePayloadOp(previous, updated);
}
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