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88 lines
3.2 KiB
C++
88 lines
3.2 KiB
C++
//===-- llvm/CodeGen/MIRFormatter.h -----------------------------*- C++ -*-===//
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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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// This file contains the declaration of the MIRFormatter class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CODEGEN_MIRFORMATTER_H
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#define LLVM_CODEGEN_MIRFORMATTER_H
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#include "llvm/ADT/Optional.h"
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#include "llvm/CodeGen/PseudoSourceValue.h"
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#include "llvm/Support/raw_ostream.h"
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#include <cstdint>
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namespace llvm {
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class MachineFunction;
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class MachineInstr;
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struct PerFunctionMIParsingState;
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struct SlotMapping;
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/// MIRFormater - Interface to format MIR operand based on target
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class MIRFormatter {
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public:
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typedef function_ref<bool(StringRef::iterator Loc, const Twine &)>
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ErrorCallbackType;
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MIRFormatter() {}
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virtual ~MIRFormatter() = default;
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/// Implement target specific printing for machine operand immediate value, so
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/// that we can have more meaningful mnemonic than a 64-bit integer. Passing
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/// None to OpIdx means the index is unknown.
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virtual void printImm(raw_ostream &OS, const MachineInstr &MI,
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Optional<unsigned> OpIdx, int64_t Imm) const {
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OS << Imm;
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}
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/// Implement target specific parsing of immediate mnemonics. The mnemonic is
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/// dot seperated strings.
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virtual bool parseImmMnemonic(const unsigned OpCode, const unsigned OpIdx,
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StringRef Src, int64_t &Imm,
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ErrorCallbackType ErrorCallback) const {
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llvm_unreachable("target did not implement parsing MIR immediate mnemonic");
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}
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/// Implement target specific printing of target custom pseudo source value.
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/// Default implementation is not necessarily the correct MIR serialization
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/// format.
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virtual void
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printCustomPseudoSourceValue(raw_ostream &OS, ModuleSlotTracker &MST,
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const PseudoSourceValue &PSV) const {
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PSV.printCustom(OS);
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}
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/// Implement target specific parsing of target custom pseudo source value.
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virtual bool parseCustomPseudoSourceValue(
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StringRef Src, MachineFunction &MF, PerFunctionMIParsingState &PFS,
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const PseudoSourceValue *&PSV, ErrorCallbackType ErrorCallback) const {
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llvm_unreachable(
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"target did not implement parsing MIR custom pseudo source value");
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}
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/// Helper functions to print IR value as MIR serialization format which will
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/// be useful for target specific printer, e.g. for printing IR value in
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/// custom pseudo source value.
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static void printIRValue(raw_ostream &OS, const Value &V,
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ModuleSlotTracker &MST);
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/// Helper functions to parse IR value from MIR serialization format which
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/// will be useful for target specific parser, e.g. for parsing IR value for
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/// custom pseudo source value.
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static bool parseIRValue(StringRef Src, MachineFunction &MF,
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PerFunctionMIParsingState &PFS, const Value *&V,
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ErrorCallbackType ErrorCallback);
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};
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} // end namespace llvm
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#endif
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