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//===-- llvm/Support/CodeGen.h - CodeGen Concepts ---------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file define some types which define code generation concepts. For
// example, relocation model.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SUPPORT_CODEGEN_H
#define LLVM_SUPPORT_CODEGEN_H
namespace llvm {
// Relocation model types.
namespace Reloc {
enum Model { Static, PIC_, DynamicNoPIC };
}
// Code model types.
namespace CodeModel {
// Sync changes with CodeGenCWrappers.h.
enum Model { Default, JITDefault, Small, Kernel, Medium, Large };
}
namespace PICLevel {
// This is used to map -fpic/-fPIC.
enum Level { NotPIC=0, SmallPIC=1, BigPIC=2 };
}
namespace PIELevel {
enum Level { Default=0, Small=1, Large=2 };
}
// TLS models.
namespace TLSModel {
enum Model {
GeneralDynamic,
LocalDynamic,
InitialExec,
LocalExec
};
}
// Code generation optimization level.
namespace CodeGenOpt {
enum Level {
None, // -O0
Less, // -O1
Default, // -O2, -Os
Aggressive // -O3
};
}
} // end llvm namespace
#endif
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