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260366437c
This commit implements the initial serialization of machine basic blocks in a machine function. Only the simple, scalar MBB attributes are serialized. The reference to LLVM IR's basic block is preserved when that basic block has a name. Reviewers: Duncan P. N. Exon Smith Differential Revision: http://reviews.llvm.org/D10465 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240145 91177308-0d34-0410-b5e6-96231b3b80d8
78 lines
2.2 KiB
C++
78 lines
2.2 KiB
C++
//===- MIRYAMLMapping.h - Describes the mapping between MIR and YAML ------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// The MIR serialization library is currently a work in progress. It can't
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// serialize machine functions at this time.
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//
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// This file implements the mapping between various MIR data structures and
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// their corresponding YAML representation.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_CODEGEN_MIRYAMLMAPPING_H
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#define LLVM_LIB_CODEGEN_MIRYAMLMAPPING_H
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/YAMLTraits.h"
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#include <vector>
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namespace llvm {
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namespace yaml {
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struct MachineBasicBlock {
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std::string Name;
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unsigned Alignment = 0;
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bool IsLandingPad = false;
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bool AddressTaken = false;
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// TODO: Serialize the successors and liveins.
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// TODO: Serialize machine instructions.
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};
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template <> struct MappingTraits<MachineBasicBlock> {
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static void mapping(IO &YamlIO, MachineBasicBlock &MBB) {
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YamlIO.mapOptional("name", MBB.Name,
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std::string()); // Don't print out an empty name.
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YamlIO.mapOptional("alignment", MBB.Alignment);
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YamlIO.mapOptional("isLandingPad", MBB.IsLandingPad);
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YamlIO.mapOptional("addressTaken", MBB.AddressTaken);
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}
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};
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} // end namespace yaml
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} // end namespace llvm
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LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::yaml::MachineBasicBlock)
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namespace llvm {
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namespace yaml {
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struct MachineFunction {
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StringRef Name;
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unsigned Alignment = 0;
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bool ExposesReturnsTwice = false;
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bool HasInlineAsm = false;
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std::vector<MachineBasicBlock> BasicBlocks;
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};
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template <> struct MappingTraits<MachineFunction> {
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static void mapping(IO &YamlIO, MachineFunction &MF) {
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YamlIO.mapRequired("name", MF.Name);
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YamlIO.mapOptional("alignment", MF.Alignment);
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YamlIO.mapOptional("exposesReturnsTwice", MF.ExposesReturnsTwice);
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YamlIO.mapOptional("hasInlineAsm", MF.HasInlineAsm);
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YamlIO.mapOptional("body", MF.BasicBlocks);
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}
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};
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} // end namespace yaml
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} // end namespace llvm
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#endif
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