| 1 | //====- LoweringHelpers.h - Lowering helper functions ---------------------===// |
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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 | // This file declares helper functions for lowering from CIR to LLVM or MLIR. |
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| 10 | // |
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| 11 | //===----------------------------------------------------------------------===// |
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| 12 | #ifndef LLVM_CLANG_CIR_LOWERINGHELPERS_H |
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| 13 | #define LLVM_CLANG_CIR_LOWERINGHELPERS_H |
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| 14 | |
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| 15 | #include "mlir/IR/BuiltinAttributes.h" |
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| 16 | #include "mlir/Transforms/DialectConversion.h" |
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| 17 | #include "clang/CIR/Dialect/IR/CIRDialect.h" |
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| 18 | |
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| 19 | mlir::DenseElementsAttr |
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| 20 | convertStringAttrToDenseElementsAttr(cir::ConstArrayAttr attr, mlir::Type type); |
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| 21 | |
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| 22 | template <typename StorageTy> StorageTy getZeroInitFromType(mlir::Type ty); |
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| 23 | template <> mlir::APInt getZeroInitFromType(mlir::Type ty); |
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| 24 | template <> mlir::APFloat getZeroInitFromType(mlir::Type ty); |
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| 25 | |
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| 26 | template <typename AttrTy, typename StorageTy> |
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| 27 | void convertToDenseElementsAttrImpl(cir::ConstArrayAttr attr, |
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| 28 | llvm::SmallVectorImpl<StorageTy> &values); |
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| 29 | |
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| 30 | template <typename AttrTy, typename StorageTy> |
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| 31 | mlir::DenseElementsAttr |
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| 32 | convertToDenseElementsAttr(cir::ConstArrayAttr attr, |
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| 33 | const llvm::SmallVectorImpl<int64_t> &dims, |
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| 34 | mlir::Type type); |
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| 35 | |
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| 36 | std::optional<mlir::Attribute> |
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| 37 | lowerConstArrayAttr(cir::ConstArrayAttr constArr, |
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| 38 | const mlir::TypeConverter *converter); |
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| 39 | |
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| 40 | mlir::Value getConstAPInt(mlir::OpBuilder &bld, mlir::Location loc, |
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| 41 | mlir::Type typ, const llvm::APInt &val); |
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| 42 | |
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| 43 | mlir::Value getConst(mlir::OpBuilder &bld, mlir::Location loc, mlir::Type typ, |
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| 44 | unsigned val); |
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| 45 | |
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| 46 | mlir::Value createShL(mlir::OpBuilder &bld, mlir::Value lhs, unsigned rhs); |
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| 47 | |
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| 48 | mlir::Value createAShR(mlir::OpBuilder &bld, mlir::Value lhs, unsigned rhs); |
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| 49 | |
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| 50 | mlir::Value createAnd(mlir::OpBuilder &bld, mlir::Value lhs, |
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| 51 | const llvm::APInt &rhs); |
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| 52 | |
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| 53 | mlir::Value createLShR(mlir::OpBuilder &bld, mlir::Value lhs, unsigned rhs); |
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| 54 | #endif |
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| 55 | |
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