53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
//====- LowerToLLVM.h- Lowering from CIR to LLVM --------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares an interface for converting CIR modules to LLVM IR.
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//
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//===----------------------------------------------------------------------===//
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#ifndef CLANG_CIR_LOWERTOLLVM_H
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#define CLANG_CIR_LOWERTOLLVM_H
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#include "mlir/Transforms/DialectConversion.h"
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#include "clang/CIR/Dialect/IR/CIRDialect.h"
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namespace cir {
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namespace direct {
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class CIRToLLVMGlobalOpLowering
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: public mlir::OpConversionPattern<cir::GlobalOp> {
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const mlir::DataLayout &dataLayout;
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public:
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CIRToLLVMGlobalOpLowering(const mlir::TypeConverter &typeConverter,
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mlir::MLIRContext *context,
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const mlir::DataLayout &dataLayout)
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: OpConversionPattern(typeConverter, context), dataLayout(dataLayout) {
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setHasBoundedRewriteRecursion();
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}
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mlir::LogicalResult
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matchAndRewrite(cir::GlobalOp op, OpAdaptor adaptor,
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mlir::ConversionPatternRewriter &rewriter) const override;
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private:
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bool attrRequiresRegionInitialization(mlir::Attribute attr) const;
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mlir::LogicalResult matchAndRewriteRegionInitializedGlobal(
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cir::GlobalOp op, mlir::Attribute init,
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mlir::ConversionPatternRewriter &rewriter) const;
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void setupRegionInitializedLLVMGlobalOp(
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cir::GlobalOp op, mlir::ConversionPatternRewriter &rewriter) const;
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};
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} // namespace direct
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} // namespace cir
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#endif // CLANG_CIR_LOWERTOLLVM_H
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