Files
llvm-6502/include/llvm/CodeGen/MIRYamlMapping.h
Alex Lorenz 926d65d4f7 MIR Parser: Use correct source locations for machine instruction diagnostics.
This commit translates the source locations for MIParser diagnostics from
the locations in the machine instruction string to the locations in the
MIR file.

Reviewers: Duncan P. N. Exon Smith

Differential Revision: http://reviews.llvm.org/D10574


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240474 91177308-0d34-0410-b5e6-96231b3b80d8
2015-06-23 22:39:23 +00:00

118 lines
3.2 KiB
C++

//===- MIRYAMLMapping.h - Describes the mapping between MIR and YAML ------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// The MIR serialization library is currently a work in progress. It can't
// serialize machine functions at this time.
//
// This file implements the mapping between various MIR data structures and
// their corresponding YAML representation.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_CODEGEN_MIRYAMLMAPPING_H
#define LLVM_LIB_CODEGEN_MIRYAMLMAPPING_H
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/YAMLTraits.h"
#include <vector>
namespace llvm {
namespace yaml {
/// A wrapper around std::string which contains a source range that's being
/// set during parsing.
struct StringValue {
std::string Value;
SMRange SourceRange;
StringValue() {}
StringValue(std::string Value) : Value(std::move(Value)) {}
bool operator==(const StringValue &Other) const {
return Value == Other.Value;
}
};
template <> struct ScalarTraits<StringValue> {
static void output(const StringValue &S, void *, llvm::raw_ostream &OS) {
OS << S.Value;
}
static StringRef input(StringRef Scalar, void *Ctx, StringValue &S) {
S.Value = Scalar.str();
if (const auto *Node =
reinterpret_cast<yaml::Input *>(Ctx)->getCurrentNode())
S.SourceRange = Node->getSourceRange();
return "";
}
static bool mustQuote(StringRef Scalar) { return needsQuotes(Scalar); }
};
} // end namespace yaml
} // end namespace llvm
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::yaml::StringValue)
namespace llvm {
namespace yaml {
struct MachineBasicBlock {
std::string Name;
unsigned Alignment = 0;
bool IsLandingPad = false;
bool AddressTaken = false;
// TODO: Serialize the successors and liveins.
std::vector<StringValue> Instructions;
};
template <> struct MappingTraits<MachineBasicBlock> {
static void mapping(IO &YamlIO, MachineBasicBlock &MBB) {
YamlIO.mapOptional("name", MBB.Name,
std::string()); // Don't print out an empty name.
YamlIO.mapOptional("alignment", MBB.Alignment);
YamlIO.mapOptional("isLandingPad", MBB.IsLandingPad);
YamlIO.mapOptional("addressTaken", MBB.AddressTaken);
YamlIO.mapOptional("instructions", MBB.Instructions);
}
};
} // end namespace yaml
} // end namespace llvm
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::yaml::MachineBasicBlock)
namespace llvm {
namespace yaml {
struct MachineFunction {
StringRef Name;
unsigned Alignment = 0;
bool ExposesReturnsTwice = false;
bool HasInlineAsm = false;
std::vector<MachineBasicBlock> BasicBlocks;
};
template <> struct MappingTraits<MachineFunction> {
static void mapping(IO &YamlIO, MachineFunction &MF) {
YamlIO.mapRequired("name", MF.Name);
YamlIO.mapOptional("alignment", MF.Alignment);
YamlIO.mapOptional("exposesReturnsTwice", MF.ExposesReturnsTwice);
YamlIO.mapOptional("hasInlineAsm", MF.HasInlineAsm);
YamlIO.mapOptional("body", MF.BasicBlocks);
}
};
} // end namespace yaml
} // end namespace llvm
#endif