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112 lines
3.9 KiB
C++
112 lines
3.9 KiB
C++
//===--- CodeGenOptions.h ---------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the CodeGenOptions interface.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_CODEGEN_CODEGENOPTIONS_H
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#define LLVM_CLANG_CODEGEN_CODEGENOPTIONS_H
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#include <string>
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#include <vector>
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namespace clang {
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/// CodeGenOptions - Track various options which control how the code
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/// is optimized and passed to the backend.
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class CodeGenOptions {
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public:
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enum InliningMethod {
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NoInlining, // Perform no inlining whatsoever.
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NormalInlining, // Use the standard function inlining pass.
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OnlyAlwaysInlining // Only run the always inlining pass.
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};
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unsigned AsmVerbose : 1; /// -dA, -fverbose-asm.
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unsigned DebugInfo : 1; /// Should generate deubg info (-g).
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unsigned DisableFPElim : 1; /// Set when -fomit-frame-pointer is enabled.
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unsigned DisableLLVMOpts : 1; /// Don't run any optimizations, for use in
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/// getting .bc files that correspond to the
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/// internal state before optimizations are
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/// done.
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unsigned DisableRedZone : 1; /// Set when -mno-red-zone is enabled.
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unsigned MergeAllConstants : 1; /// Merge identical constants.
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unsigned NoCommon : 1; /// Set when -fno-common or C++ is enabled.
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unsigned NoImplicitFloat : 1; /// Set when -mno-implicit-float is enabled.
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unsigned NoZeroInitializedInBSS : 1; /// -fno-zero-initialized-in-bss
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unsigned ObjCLegacyDispatch: 1; /// Use legacy Objective-C dispatch, even with
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/// 2.0 runtime.
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unsigned OptimizationLevel : 3; /// The -O[0-4] option specified.
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unsigned OptimizeSize : 1; /// If -Os is specified.
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unsigned SoftFloat : 1; /// -soft-float.
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unsigned TimePasses : 1; /// Set when -ftime-report is enabled.
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unsigned UnitAtATime : 1; /// Unused. For mirroring GCC optimization
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/// selection.
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unsigned UnrollLoops : 1; /// Control whether loops are unrolled.
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unsigned UnwindTables : 1; /// Emit unwind tables.
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unsigned VerifyModule : 1; /// Control whether the module should be run
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/// through the LLVM Verifier.
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/// The code model to use (-mcmodel).
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std::string CodeModel;
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/// Enable additional debugging information.
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std::string DebugPass;
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/// The string to embed in the debug information for the compile unit, if
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/// non-empty.
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std::string DwarfDebugFlags;
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/// The ABI to use for passing floating point arguments.
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std::string FloatABI;
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/// The float precision limit to use, if non-empty.
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std::string LimitFloatPrecision;
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/// The kind of inlining to perform.
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InliningMethod Inlining;
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/// The user provided name for the "main file", if non-empty. This is useful
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/// in situations where the input file name does not match the original input
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/// file, for example with -save-temps.
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std::string MainFileName;
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/// The name of the relocation model to use.
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std::string RelocationModel;
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public:
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CodeGenOptions() {
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AsmVerbose = 0;
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DebugInfo = 0;
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DisableFPElim = 0;
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DisableLLVMOpts = 0;
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DisableRedZone = 0;
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MergeAllConstants = 1;
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NoCommon = 0;
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NoImplicitFloat = 0;
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NoZeroInitializedInBSS = 0;
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ObjCLegacyDispatch = 0;
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OptimizationLevel = 0;
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OptimizeSize = 0;
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SoftFloat = 0;
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TimePasses = 0;
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UnitAtATime = 1;
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UnrollLoops = 0;
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UnwindTables = 0;
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VerifyModule = 1;
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Inlining = NoInlining;
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RelocationModel = "pic";
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}
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};
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} // end namespace clang
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#endif
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