| 1 | //===- TestTransformStateExtension.cpp ------------------------------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "TestTransformStateExtension.h" |
| 10 | |
| 11 | using namespace mlir; |
| 12 | |
| 13 | LogicalResult |
| 14 | test::TestTransformStateExtension::updateMapping(Operation *previous, |
| 15 | Operation *updated) { |
| 16 | // Update value handles. The new ops should have at least as many results as |
| 17 | // the replacement op. Fewer results are acceptable, if those results are not |
| 18 | // mapped to any handle. |
| 19 | for (auto r = updated->getNumResults(); r < previous->getNumResults(); ++r) { |
| 20 | SmallVector<Value> handles; |
| 21 | (void)getTransformState().getHandlesForPayloadValue(previous->getResult(idx: r), |
| 22 | handles); |
| 23 | if (!handles.empty()) |
| 24 | return emitError(loc: previous->getLoc()) |
| 25 | << "cannot replace an op with another op producing fewer results " |
| 26 | "while tracking handles"; |
| 27 | } |
| 28 | |
| 29 | for (auto [oldValue, newValue] : |
| 30 | llvm::zip(t: previous->getResults(), u: updated->getResults())) |
| 31 | if (failed(replacePayloadValue(oldValue, newValue))) |
| 32 | return failure(); |
| 33 | |
| 34 | // Update op handle. |
| 35 | return replacePayloadOp(previous, updated); |
| 36 | } |
| 37 |