74 lines
2.9 KiB
C++
74 lines
2.9 KiB
C++
//===--- CodeGenOptions.h ---------------------------------------*- 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 defines frontend codegen options common to clang and flang
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_FRONTEND_DRIVER_CODEGENOPTIONS_H
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#define LLVM_FRONTEND_DRIVER_CODEGENOPTIONS_H
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#include "llvm/Support/Compiler.h"
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#include <string>
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namespace llvm {
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class Triple;
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class TargetLibraryInfoImpl;
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enum class VectorLibrary;
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} // namespace llvm
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namespace llvm::driver {
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// The current supported vector libraries in enum \VectorLibrary are 9(including
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// the NoLibrary). Changing the bitcount from 3 to 4 so that more than 8 values
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// can be supported. Now the maximum number of vector libraries supported
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// increase from 8(2^3) to 16(2^4).
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//
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// ENUM_CODEGENOPT(VecLib, llvm::driver::VectorLibrary,
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// <bitcount>4</bitcount>, llvm::driver::VectorLibrary::NoLibrary) is the
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// currently defined in clang/include/clang/Basic/CodeGenOptions.def
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// bitcount is the number of bits used to represent the enum value.
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//
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// IMPORTANT NOTE: When adding a new vector library support, and if count of
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// supported vector libraries crosses the current max limit. Please increment
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// the bitcount value.
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/// Vector library option used with -fveclib=
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enum class VectorLibrary {
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NoLibrary, // Don't use any vector library.
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Accelerate, // Use the Accelerate framework.
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LIBMVEC, // GLIBC vector math library.
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MASSV, // IBM MASS vector library.
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SVML, // Intel short vector math library.
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SLEEF, // SLEEF SIMD Library for Evaluating Elementary Functions.
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Darwin_libsystem_m, // Use Darwin's libsystem_m vector functions.
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ArmPL, // Arm Performance Libraries.
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AMDLIBM // AMD vector math library.
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};
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LLVM_ABI llvm::VectorLibrary
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convertDriverVectorLibraryToVectorLibrary(llvm::driver::VectorLibrary VecLib);
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LLVM_ABI TargetLibraryInfoImpl *createTLII(const llvm::Triple &TargetTriple,
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VectorLibrary Veclib);
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enum ProfileInstrKind {
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ProfileNone, // Profile instrumentation is turned off.
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ProfileClangInstr, // Clang instrumentation to generate execution counts
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// to use with PGO.
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ProfileIRInstr, // IR level PGO instrumentation in LLVM.
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ProfileCSIRInstr, // IR level PGO context sensitive instrumentation in LLVM.
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ProfileIRSampleColdCov, // IR level sample pgo based cold function coverage
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// instrumentation in LLVM.
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};
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// Default filename used for profile generation.
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LLVM_ABI std::string getDefaultProfileGenName();
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} // end namespace llvm::driver
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#endif
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