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135fe6ac5f
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193165 91177308-0d34-0410-b5e6-96231b3b80d8
214 lines
7.9 KiB
C++
214 lines
7.9 KiB
C++
//===-- CommandFlags.h - Command Line Flags Interface -----------*- 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 contains codegen-specific flags that are shared between different
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// command line tools. The tools "llc" and "opt" both use this file to prevent
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// flag duplication.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CODEGEN_COMMANDFLAGS_H
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#define LLVM_CODEGEN_COMMANDFLAGS_H
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#include "llvm/Support/CodeGen.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Target/TargetMachine.h"
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#include <string>
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using namespace llvm;
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cl::opt<std::string>
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MArch("march", cl::desc("Architecture to generate code for (see --version)"));
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cl::opt<std::string>
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MCPU("mcpu",
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cl::desc("Target a specific cpu type (-mcpu=help for details)"),
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cl::value_desc("cpu-name"),
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cl::init(""));
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cl::list<std::string>
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MAttrs("mattr",
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cl::CommaSeparated,
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cl::desc("Target specific attributes (-mattr=help for details)"),
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cl::value_desc("a1,+a2,-a3,..."));
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cl::opt<Reloc::Model>
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RelocModel("relocation-model",
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cl::desc("Choose relocation model"),
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cl::init(Reloc::Default),
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cl::values(
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clEnumValN(Reloc::Default, "default",
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"Target default relocation model"),
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clEnumValN(Reloc::Static, "static",
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"Non-relocatable code"),
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clEnumValN(Reloc::PIC_, "pic",
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"Fully relocatable, position independent code"),
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clEnumValN(Reloc::DynamicNoPIC, "dynamic-no-pic",
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"Relocatable external references, non-relocatable code"),
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clEnumValEnd));
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cl::opt<llvm::CodeModel::Model>
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CMModel("code-model",
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cl::desc("Choose code model"),
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cl::init(CodeModel::Default),
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cl::values(clEnumValN(CodeModel::Default, "default",
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"Target default code model"),
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clEnumValN(CodeModel::Small, "small",
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"Small code model"),
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clEnumValN(CodeModel::Kernel, "kernel",
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"Kernel code model"),
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clEnumValN(CodeModel::Medium, "medium",
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"Medium code model"),
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clEnumValN(CodeModel::Large, "large",
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"Large code model"),
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clEnumValEnd));
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cl::opt<bool>
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RelaxAll("mc-relax-all",
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cl::desc("When used with filetype=obj, "
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"relax all fixups in the emitted object file"));
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cl::opt<TargetMachine::CodeGenFileType>
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FileType("filetype", cl::init(TargetMachine::CGFT_AssemblyFile),
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cl::desc("Choose a file type (not all types are supported by all targets):"),
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cl::values(
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clEnumValN(TargetMachine::CGFT_AssemblyFile, "asm",
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"Emit an assembly ('.s') file"),
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clEnumValN(TargetMachine::CGFT_ObjectFile, "obj",
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"Emit a native object ('.o') file"),
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clEnumValN(TargetMachine::CGFT_Null, "null",
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"Emit nothing, for performance testing"),
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clEnumValEnd));
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cl::opt<bool> DisableDotLoc("disable-dot-loc", cl::Hidden,
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cl::desc("Do not use .loc entries"));
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cl::opt<bool> DisableCFI("disable-cfi", cl::Hidden,
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cl::desc("Do not use .cfi_* directives"));
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cl::opt<bool> EnableDwarfDirectory("enable-dwarf-directory", cl::Hidden,
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cl::desc("Use .file directives with an explicit directory."));
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cl::opt<bool>
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DisableRedZone("disable-red-zone",
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cl::desc("Do not emit code that uses the red zone."),
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cl::init(false));
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cl::opt<bool>
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EnableFPMAD("enable-fp-mad",
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cl::desc("Enable less precise MAD instructions to be generated"),
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cl::init(false));
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cl::opt<bool>
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DisableFPElim("disable-fp-elim",
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cl::desc("Disable frame pointer elimination optimization"),
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cl::init(false));
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cl::opt<bool>
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EnableUnsafeFPMath("enable-unsafe-fp-math",
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cl::desc("Enable optimizations that may decrease FP precision"),
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cl::init(false));
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cl::opt<bool>
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EnableNoInfsFPMath("enable-no-infs-fp-math",
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cl::desc("Enable FP math optimizations that assume no +-Infs"),
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cl::init(false));
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cl::opt<bool>
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EnableNoNaNsFPMath("enable-no-nans-fp-math",
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cl::desc("Enable FP math optimizations that assume no NaNs"),
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cl::init(false));
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cl::opt<bool>
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EnableHonorSignDependentRoundingFPMath("enable-sign-dependent-rounding-fp-math",
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cl::Hidden,
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cl::desc("Force codegen to assume rounding mode can change dynamically"),
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cl::init(false));
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cl::opt<bool>
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GenerateSoftFloatCalls("soft-float",
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cl::desc("Generate software floating point library calls"),
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cl::init(false));
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cl::opt<llvm::FloatABI::ABIType>
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FloatABIForCalls("float-abi",
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cl::desc("Choose float ABI type"),
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cl::init(FloatABI::Default),
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cl::values(
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clEnumValN(FloatABI::Default, "default",
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"Target default float ABI type"),
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clEnumValN(FloatABI::Soft, "soft",
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"Soft float ABI (implied by -soft-float)"),
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clEnumValN(FloatABI::Hard, "hard",
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"Hard float ABI (uses FP registers)"),
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clEnumValEnd));
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cl::opt<llvm::FPOpFusion::FPOpFusionMode>
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FuseFPOps("fp-contract",
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cl::desc("Enable aggressive formation of fused FP ops"),
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cl::init(FPOpFusion::Standard),
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cl::values(
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clEnumValN(FPOpFusion::Fast, "fast",
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"Fuse FP ops whenever profitable"),
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clEnumValN(FPOpFusion::Standard, "on",
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"Only fuse 'blessed' FP ops."),
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clEnumValN(FPOpFusion::Strict, "off",
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"Only fuse FP ops when the result won't be effected."),
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clEnumValEnd));
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cl::opt<bool>
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DontPlaceZerosInBSS("nozero-initialized-in-bss",
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cl::desc("Don't place zero-initialized symbols into bss section"),
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cl::init(false));
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cl::opt<bool>
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EnableGuaranteedTailCallOpt("tailcallopt",
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cl::desc("Turn fastcc calls into tail calls by (potentially) changing ABI."),
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cl::init(false));
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cl::opt<bool>
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DisableTailCalls("disable-tail-calls",
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cl::desc("Never emit tail calls"),
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cl::init(false));
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cl::opt<unsigned>
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OverrideStackAlignment("stack-alignment",
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cl::desc("Override default stack alignment"),
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cl::init(0));
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cl::opt<std::string>
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TrapFuncName("trap-func", cl::Hidden,
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cl::desc("Emit a call to trap function rather than a trap instruction"),
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cl::init(""));
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cl::opt<bool>
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EnablePIE("enable-pie",
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cl::desc("Assume the creation of a position independent executable."),
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cl::init(false));
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cl::opt<bool>
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SegmentedStacks("segmented-stacks",
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cl::desc("Use segmented stacks if possible."),
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cl::init(false));
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cl::opt<bool>
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UseInitArray("use-init-array",
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cl::desc("Use .init_array instead of .ctors."),
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cl::init(false));
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cl::opt<std::string> StopAfter("stop-after",
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cl::desc("Stop compilation after a specific pass"),
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cl::value_desc("pass-name"),
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cl::init(""));
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cl::opt<std::string> StartAfter("start-after",
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cl::desc("Resume compilation after a specific pass"),
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cl::value_desc("pass-name"),
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cl::init(""));
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#endif
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