llvm-6502/lib/CodeGen/MIRPrinter.cpp
Alex Lorenz 00b6413c97 MIR Serialization: Print and parse simple machine function attributes.
This commit serializes the simple, scalar attributes from the 
'MachineFunction' class.

Reviewers: Duncan P. N. Exon Smith

Differential Revision: http://reviews.llvm.org/D10449


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239790 91177308-0d34-0410-b5e6-96231b3b80d8
2015-06-16 00:10:47 +00:00

77 lines
2.0 KiB
C++

//===- MIRPrinter.cpp - MIR serialization format printer ------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the class that prints out the LLVM IR and machine
// functions using the MIR serialization format.
//
//===----------------------------------------------------------------------===//
#include "MIRPrinter.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MIRYamlMapping.h"
#include "llvm/IR/Module.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/YAMLTraits.h"
using namespace llvm;
namespace {
/// This class prints out the machine functions using the MIR serialization
/// format.
class MIRPrinter {
raw_ostream &OS;
public:
MIRPrinter(raw_ostream &OS) : OS(OS) {}
void print(const MachineFunction &MF);
};
} // end anonymous namespace
namespace llvm {
namespace yaml {
/// This struct serializes the LLVM IR module.
template <> struct BlockScalarTraits<Module> {
static void output(const Module &Mod, void *Ctxt, raw_ostream &OS) {
Mod.print(OS, nullptr);
}
static StringRef input(StringRef Str, void *Ctxt, Module &Mod) {
llvm_unreachable("LLVM Module is supposed to be parsed separately");
return "";
}
};
} // end namespace yaml
} // end namespace llvm
void MIRPrinter::print(const MachineFunction &MF) {
yaml::MachineFunction YamlMF;
YamlMF.Name = MF.getName();
YamlMF.Alignment = MF.getAlignment();
YamlMF.ExposesReturnsTwice = MF.exposesReturnsTwice();
YamlMF.HasInlineAsm = MF.hasInlineAsm();
yaml::Output Out(OS);
Out << YamlMF;
}
void llvm::printMIR(raw_ostream &OS, const Module &M) {
yaml::Output Out(OS);
Out << const_cast<Module &>(M);
}
void llvm::printMIR(raw_ostream &OS, const MachineFunction &MF) {
MIRPrinter Printer(OS);
Printer.print(MF);
}