| //===-- 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, ROPI, RWPI, ROPI_RWPI }; |
| } |
| |
| // Code model types. |
| namespace CodeModel { |
| // Sync changes with CodeGenCWrappers.h. |
| enum Model { Tiny, 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 |