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84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
//===-- cl_options-llvm.cpp -----------------------------------------------===//
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//
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// LDC – the LLVM D compiler
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//
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// This file is distributed under the BSD-style LDC license. See the LICENSE
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// file for details.
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//
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//===----------------------------------------------------------------------===//
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#include "driver/cl_options-llvm.h"
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// Pull in command-line options and helper functions from special LLVM header
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// shared by multiple LLVM tools.
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#if LDC_LLVM_VER >= 700
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#include "llvm/CodeGen/CommandFlags.inc"
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#elif LDC_LLVM_VER >= 600
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#include "llvm/CodeGen/CommandFlags.def"
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#else
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#include "llvm/CodeGen/CommandFlags.h"
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#endif
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static cl::opt<bool>
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DisableRedZone("disable-red-zone", cl::ZeroOrMore,
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cl::desc("Do not emit code that uses the red zone."));
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// Now expose the helper functions (with static linkage) via external wrappers
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// in the opts namespace, including some additional helper functions.
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namespace opts {
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std::string getArchStr() { return ::MArch; }
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Optional<Reloc::Model> getRelocModel() { return ::getRelocModel(); }
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#if LDC_LLVM_VER >= 600
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Optional<CodeModel::Model> getCodeModel() { return ::getCodeModel(); }
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#else
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CodeModel::Model getCodeModel() { return ::CMModel; }
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#endif
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cl::boolOrDefault disableFPElim() {
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return ::DisableFPElim.getNumOccurrences() == 0
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? cl::BOU_UNSET
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: ::DisableFPElim ? cl::BOU_TRUE : cl::BOU_FALSE;
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}
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bool disableRedZone() { return ::DisableRedZone; }
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bool printTargetFeaturesHelp() {
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if (MCPU == "help")
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return true;
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return std::any_of(MAttrs.begin(), MAttrs.end(),
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[](const std::string &a) { return a == "help"; });
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}
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TargetOptions InitTargetOptionsFromCodeGenFlags() {
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return ::InitTargetOptionsFromCodeGenFlags();
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}
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std::string getCPUStr() { return ::getCPUStr(); }
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std::string getFeaturesStr() { return ::getFeaturesStr(); }
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} // namespace opts
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#if LDC_WITH_LLD && LDC_LLVM_VER >= 500
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// LLD 5.0 uses the shared header too (for LTO) and exposes some wrappers in
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// the lld namespace. Define them here to prevent the LLD object from being
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// linked in with its conflicting command-line options.
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namespace lld {
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TargetOptions InitTargetOptionsFromCodeGenFlags() {
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return ::InitTargetOptionsFromCodeGenFlags();
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}
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#if LDC_LLVM_VER >= 600
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Optional<CodeModel::Model> GetCodeModelFromCMModel() {
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return ::getCodeModel();
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}
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#else
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CodeModel::Model GetCodeModelFromCMModel() { return ::CMModel; }
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#endif
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#if LDC_LLVM_VER >= 700
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std::string GetCPUStr() { return ::getCPUStr(); }
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#endif
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}
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#endif // LDC_WITH_LLD && LDC_LLVM_VER >= 500
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