| 1 | //===----------------------------------------------------------------------===// |
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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 | // Implementation of external dialect interfaces for CIR. |
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| 10 | // |
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| 11 | //===----------------------------------------------------------------------===// |
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| 12 | |
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| 13 | #include "clang/CIR/Dialect/OpenACC/CIROpenACCTypeInterfaces.h" |
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| 14 | #include "clang/CIR/Dialect/IR/CIRDialect.h" |
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| 15 | #include "clang/CIR/Dialect/IR/CIRTypes.h" |
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| 16 | |
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| 17 | namespace cir::acc { |
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| 18 | |
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| 19 | mlir::Type getBaseType(mlir::Value varPtr) { |
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| 20 | mlir::Operation *op = varPtr.getDefiningOp(); |
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| 21 | assert(op && "Expected a defining operation" ); |
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| 22 | |
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| 23 | // This is the variable definition we're looking for. |
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| 24 | if (auto allocaOp = mlir::dyn_cast<cir::AllocaOp>(*op)) |
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| 25 | return allocaOp.getAllocaType(); |
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| 26 | |
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| 27 | // Look through casts to the source pointer. |
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| 28 | if (auto castOp = mlir::dyn_cast<cir::CastOp>(*op)) |
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| 29 | return getBaseType(castOp.getSrc()); |
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| 30 | |
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| 31 | // Follow the source of ptr strides. |
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| 32 | if (auto ptrStrideOp = mlir::dyn_cast<cir::PtrStrideOp>(*op)) |
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| 33 | return getBaseType(ptrStrideOp.getBase()); |
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| 34 | |
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| 35 | if (auto getMemberOp = mlir::dyn_cast<cir::GetMemberOp>(*op)) |
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| 36 | return getBaseType(getMemberOp.getAddr()); |
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| 37 | |
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| 38 | return mlir::cast<cir::PointerType>(varPtr.getType()).getPointee(); |
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| 39 | } |
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| 40 | |
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| 41 | template <> |
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| 42 | mlir::acc::VariableTypeCategory |
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| 43 | OpenACCPointerLikeModel<cir::PointerType>::getPointeeTypeCategory( |
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| 44 | mlir::Type pointer, mlir::TypedValue<mlir::acc::PointerLikeType> varPtr, |
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| 45 | mlir::Type varType) const { |
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| 46 | mlir::Type eleTy = getBaseType(varPtr); |
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| 47 | |
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| 48 | if (auto mappableTy = mlir::dyn_cast<mlir::acc::MappableType>(eleTy)) |
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| 49 | return mappableTy.getTypeCategory(varPtr); |
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| 50 | |
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| 51 | if (isAnyIntegerOrFloatingPointType(eleTy) || |
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| 52 | mlir::isa<cir::BoolType>(eleTy) || mlir::isa<cir::PointerType>(eleTy)) |
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| 53 | return mlir::acc::VariableTypeCategory::scalar; |
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| 54 | if (mlir::isa<cir::ArrayType>(eleTy)) |
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| 55 | return mlir::acc::VariableTypeCategory::array; |
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| 56 | if (mlir::isa<cir::RecordType>(eleTy)) |
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| 57 | return mlir::acc::VariableTypeCategory::composite; |
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| 58 | if (mlir::isa<cir::FuncType>(eleTy) || mlir::isa<cir::VectorType>(eleTy)) |
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| 59 | return mlir::acc::VariableTypeCategory::nonscalar; |
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| 60 | |
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| 61 | // Without further checking, this type cannot be categorized. |
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| 62 | return mlir::acc::VariableTypeCategory::uncategorized; |
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| 63 | } |
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| 64 | |
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| 65 | } // namespace cir::acc |
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| 66 | |
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