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74 lines
2 KiB
C++
74 lines
2 KiB
C++
//===-- driver/targetmachine.h - LLVM target setup --------------*- C++ -*-===//
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//
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// LDC – the LLVM D compiler
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//
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// This file is distributed under the BSD-style LDC license. See the LICENSE
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// file for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Handles setting up an LLVM TargetMachine from the ugiven command-line
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// arguments.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LDC_DRIVER_TARGET_H
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#define LDC_DRIVER_TARGET_H
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#if LDC_LLVM_VER >= 309
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#include "llvm/ADT/Optional.h"
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#endif
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#include "llvm/Support/CodeGen.h"
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#include <string>
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#include <vector>
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namespace ExplicitBitness {
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enum Type { None, M32, M64 };
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}
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namespace FloatABI {
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enum Type { Default, Soft, SoftFP, Hard };
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}
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namespace MipsABI {
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enum Type { Unknown, O32, N32, N64, EABI };
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}
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namespace llvm {
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class Triple;
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class Target;
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class TargetMachine;
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}
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/**
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* Creates an LLVM TargetMachine suitable for the given (usually command-line)
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* parameters and the host platform defaults.
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*
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* Does not depend on any global state.
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*/
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llvm::TargetMachine *createTargetMachine(
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std::string targetTriple, std::string arch, std::string cpu,
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std::vector<std::string> attrs, ExplicitBitness::Type bitness,
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FloatABI::Type floatABI,
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#if LDC_LLVM_VER >= 309
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llvm::Optional<llvm::Reloc::Model> relocModel,
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#else
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llvm::Reloc::Model relocModel,
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#endif
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llvm::CodeModel::Model codeModel, llvm::CodeGenOpt::Level codeGenOptLevel,
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bool noFramePointerElim, bool noLinkerStripDead);
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/**
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* Returns the Mips ABI which is used for code generation.
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*
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* Function may only be called after the target machine is created.
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* Returns MipsABI::Unknown in case the ABI is not known (e.g. not compiling
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* for Mips).
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*/
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MipsABI::Type getMipsABI();
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// Looks up a target based on an arch name and a target triple.
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const llvm::Target *lookupTarget(const std::string &arch, llvm::Triple &triple,
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std::string &errorMsg);
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#endif // LDC_DRIVER_TARGET_H
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