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3f676674e7
Avoids the need to include TargetMachine.h from various places just for an enum. Various other enums live here, such as the optimization level, TLS model, etc. Data suggests that this change probably doesn't matter, but it seems nice to have anyway.
77 lines
2.0 KiB
C++
77 lines
2.0 KiB
C++
//===-- llvm/Support/CodeGen.h - CodeGen Concepts ---------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file define some types which define code generation concepts. For
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// example, relocation model.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SUPPORT_CODEGEN_H
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#define LLVM_SUPPORT_CODEGEN_H
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namespace llvm {
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// Relocation model types.
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namespace Reloc {
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// Cannot be named PIC due to collision with -DPIC
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enum Model { Static, PIC_, DynamicNoPIC, ROPI, RWPI, ROPI_RWPI };
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}
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// Code model types.
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namespace CodeModel {
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// Sync changes with CodeGenCWrappers.h.
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enum Model { Tiny, Small, Kernel, Medium, Large };
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}
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namespace PICLevel {
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// This is used to map -fpic/-fPIC.
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enum Level { NotPIC=0, SmallPIC=1, BigPIC=2 };
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}
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namespace PIELevel {
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enum Level { Default=0, Small=1, Large=2 };
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}
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// TLS models.
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namespace TLSModel {
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enum Model {
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GeneralDynamic,
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LocalDynamic,
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InitialExec,
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LocalExec
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};
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}
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// Code generation optimization level.
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namespace CodeGenOpt {
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enum Level {
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None = 0, // -O0
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Less = 1, // -O1
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Default = 2, // -O2, -Os
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Aggressive = 3 // -O3
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};
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}
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/// These enums are meant to be passed into addPassesToEmitFile to indicate
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/// what type of file to emit, and returned by it to indicate what type of
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/// file could actually be made.
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enum CodeGenFileType {
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CGFT_AssemblyFile,
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CGFT_ObjectFile,
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CGFT_Null // Do not emit any output.
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};
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// Specify effect of frame pointer elimination optimization.
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namespace FramePointer {
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enum FP {All, NonLeaf, None};
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}
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} // end llvm namespace
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#endif
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