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// SPDX-License-Identifier: GPL-3.0-or-later
#include "rcc/Target/RISCV/RISCVAssemblyPrinter.h"
#include "rcc/CodeGen/AsmPrinter.h"
#include "rcc/CodeGen/CompilationUnit.h"
#include "rcc/CodeGen/MachineFunction.h"
#include "rcc/CodeGen/MachineMCContext.h"
#include "rcc/MC/MCContext.h"
#include "rcc/MC/MCStreamer.h"
#include "rcc/Target/RISCV/RISCVMCTargetLowering.h"
#include <string>
namespace rcc::riscv {
namespace {
[[nodiscard]] AsmPrinterOptions printerOptions(AssemblyEmissionOptions Options) noexcept {
return AsmPrinterOptions{
.EmitFunctionDirectives = Options.EmitFunctionDirectives,
.EmitCFI = Options.EmitCFI,
.EmitBlockLabels = Options.EmitBlockLabels,
.EmitInstructionSymbols = true,
.VerifyInput = Options.VerifyInput,
};
}
} // namespace
Expected<std::string> emitAssembly(const CompilationUnit &Unit, const TargetDescription &Target,
AssemblyEmissionOptions Options) {
mc::MCContext MCContext;
MachineMCContext MachineContext(MCContext);
RISCVMCTargetLowering Lowering(Target);
mc::AsmTextStreamer Streamer(Lowering.instructionPrinter());
AsmPrinter Printer(Target, Lowering, MachineContext, Streamer, printerOptions(Options));
auto Emitted = Printer.emitCompilationUnit(Unit);
if (!Emitted)
return std::unexpected(Emitted.error());
return Streamer.takeOutput();
}
Expected<std::string> emitAssembly(const MachineFunction &Function, const TargetDescription &Target,
AssemblyEmissionOptions Options) {
mc::MCContext MCContext;
MachineMCContext MachineContext(MCContext);
RISCVMCTargetLowering Lowering(Target);
mc::AsmTextStreamer Streamer(Lowering.instructionPrinter());
AsmPrinter Printer(Target, Lowering, MachineContext, Streamer, printerOptions(Options));
auto Header = Lowering.emitFileHeader(MachineContext, Streamer);
if (!Header)
return std::unexpected(Header.error());
auto Emitted = Printer.emitFunction(Function);
if (!Emitted)
return std::unexpected(Emitted.error());
auto Trailer = Lowering.emitFileTrailer(MachineContext, Streamer);
if (!Trailer)
return std::unexpected(Trailer.error());
auto Finished = Streamer.finish();
if (!Finished)
return std::unexpected(Finished.error());
return Streamer.takeOutput();
}
} // namespace rcc::riscv
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