| 1 | //===- CallInterfaces.cpp - ControlFlow Interfaces ------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "mlir/Interfaces/CallInterfaces.h" |
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| 10 | |
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| 11 | using namespace mlir; |
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| 12 | |
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| 13 | //===----------------------------------------------------------------------===// |
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| 14 | // CallOpInterface |
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| 15 | //===----------------------------------------------------------------------===// |
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| 16 | |
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| 17 | /// Resolve the callable operation for given callee to a CallableOpInterface, or |
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| 18 | /// nullptr if a valid callable was not resolved. `symbolTable` is an optional |
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| 19 | /// parameter that will allow for using a cached symbol table for symbol lookups |
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| 20 | /// instead of performing an O(N) scan. |
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| 21 | Operation * |
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| 22 | CallOpInterface::resolveCallable(SymbolTableCollection *symbolTable) { |
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| 23 | CallInterfaceCallable callable = getCallableForCallee(); |
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| 24 | if (auto symbolVal = dyn_cast<Value>(callable)) |
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| 25 | return symbolVal.getDefiningOp(); |
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| 26 | |
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| 27 | // If the callable isn't a value, lookup the symbol reference. |
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| 28 | auto symbolRef = callable.get<SymbolRefAttr>(); |
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| 29 | if (symbolTable) |
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| 30 | return symbolTable->lookupNearestSymbolFrom(getOperation(), symbolRef); |
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| 31 | return SymbolTable::lookupNearestSymbolFrom(getOperation(), symbolRef); |
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| 32 | } |
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| 33 | |
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| 34 | //===----------------------------------------------------------------------===// |
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| 35 | // CallInterfaces |
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| 36 | //===----------------------------------------------------------------------===// |
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| 37 | |
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| 38 | #include "mlir/Interfaces/CallInterfaces.cpp.inc" |
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| 39 | |
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