include/llvm/Target/CodeGenCWrappers.h

   1 //===- llvm/Target/CodeGenCWrappers.h - CodeGen C Wrappers ------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file defines C bindings wrappers for enums in llvm/Support/CodeGen.h
  10 // that need them.  The wrappers are separated to avoid adding an indirect
  11 // dependency on llvm/Config/Targets.def to CodeGen.h.
  12 //
  13 //===----------------------------------------------------------------------===//
  14
  15 #ifndef LLVM_TARGET_CODEGENCWRAPPERS_H
  16 #define LLVM_TARGET_CODEGENCWRAPPERS_H
  17
  18 #include "llvm-c/TargetMachine.h"
  19 #include "llvm/ADT/Optional.h"
  20 #include "llvm/Support/CodeGen.h"
  21 #include "llvm/Support/ErrorHandling.h"
  22
  23 namespace llvm {
  24
  25 inline Optional<CodeModel::Model> unwrap(LLVMCodeModel Model, bool &JIT) {
  26   JIT = false;
  27   switch (Model) {
  28   case LLVMCodeModelJITDefault:
  29     JIT = true;
  30     LLVM_FALLTHROUGH;
  31   case LLVMCodeModelDefault:
  32     return None;
  33   case LLVMCodeModelTiny:
  34     return CodeModel::Tiny;
  35   case LLVMCodeModelSmall:
  36     return CodeModel::Small;
  37   case LLVMCodeModelKernel:
  38     return CodeModel::Kernel;
  39   case LLVMCodeModelMedium:
  40     return CodeModel::Medium;
  41   case LLVMCodeModelLarge:
  42     return CodeModel::Large;
  43   }
  44   return CodeModel::Small;
  45 }
  46
  47 inline LLVMCodeModel wrap(CodeModel::Model Model) {
  48   switch (Model) {
  49   case CodeModel::Tiny:
  50     return LLVMCodeModelTiny;
  51   case CodeModel::Small:
  52     return LLVMCodeModelSmall;
  53   case CodeModel::Kernel:
  54     return LLVMCodeModelKernel;
  55   case CodeModel::Medium:
  56     return LLVMCodeModelMedium;
  57   case CodeModel::Large:
  58     return LLVMCodeModelLarge;
  59   }
  60   llvm_unreachable("Bad CodeModel!");
  61 }
  62 } // namespace llvm
  63
  64 #endif