| 1 | //===- IRDLSymbols.cpp - IRDL-related symbol logic --------------*- C++ -*-===// |
|---|---|
| 2 | // |
| 3 | // This file is licensed 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 "mlir/Dialect/IRDL/IRDLSymbols.h" |
| 10 | #include "mlir/Dialect/IRDL/IR/IRDL.h" |
| 11 | |
| 12 | using namespace mlir; |
| 13 | using namespace mlir::irdl; |
| 14 | |
| 15 | static Operation *lookupDialectOp(Operation *source) { |
| 16 | Operation *dialectOp = source; |
| 17 | while (dialectOp && !isa<DialectOp>(dialectOp)) |
| 18 | dialectOp = dialectOp->getParentOp(); |
| 19 | |
| 20 | if (!dialectOp) |
| 21 | llvm_unreachable("symbol lookup near dialect must originate from " |
| 22 | "within a dialect definition"); |
| 23 | |
| 24 | return dialectOp; |
| 25 | } |
| 26 | |
| 27 | Operation * |
| 28 | mlir::irdl::lookupSymbolNearDialect(SymbolTableCollection &symbolTable, |
| 29 | Operation *source, SymbolRefAttr symbol) { |
| 30 | return symbolTable.lookupNearestSymbolFrom( |
| 31 | lookupDialectOp(source)->getParentOp(), symbol); |
| 32 | } |
| 33 | |
| 34 | Operation *mlir::irdl::lookupSymbolNearDialect(Operation *source, |
| 35 | SymbolRefAttr symbol) { |
| 36 | return SymbolTable::lookupNearestSymbolFrom( |
| 37 | lookupDialectOp(source)->getParentOp(), symbol); |
| 38 | } |
| 39 |