Coverage Report

Created: 2021-08-24 07:12

/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/lib/Basic/Targets/BPF.h
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//===--- BPF.h - Declare BPF target feature support -------------*- 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 declares BPF TargetInfo objects.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_BPF_H
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#define LLVM_CLANG_LIB_BASIC_TARGETS_BPF_H
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#include "clang/Basic/TargetInfo.h"
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#include "clang/Basic/TargetOptions.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/Support/Compiler.h"
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namespace clang {
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namespace targets {
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class LLVM_LIBRARY_VISIBILITY BPFTargetInfo : public TargetInfo {
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  static const Builtin::Info BuiltinInfo[];
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  bool HasAlu32 = false;
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public:
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  BPFTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
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      : TargetInfo(Triple) {
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    LongWidth = LongAlign = PointerWidth = PointerAlign = 64;
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    SizeType = UnsignedLong;
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    PtrDiffType = SignedLong;
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    IntPtrType = SignedLong;
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    IntMaxType = SignedLong;
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    Int64Type = SignedLong;
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    RegParmMax = 5;
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    if (Triple.getArch() == llvm::Triple::bpfeb) {
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      resetDataLayout("E-m:e-p:64:64-i64:64-i128:128-n32:64-S128");
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    } else {
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      resetDataLayout("e-m:e-p:64:64-i64:64-i128:128-n32:64-S128");
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    }
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    MaxAtomicPromoteWidth = 64;
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    MaxAtomicInlineWidth = 64;
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    TLSSupported = false;
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  }
clang::targets::BPFTargetInfo::BPFTargetInfo(llvm::Triple const&, clang::TargetOptions const&)
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      : TargetInfo(Triple) {
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    LongWidth = LongAlign = PointerWidth = PointerAlign = 64;
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    SizeType = UnsignedLong;
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    PtrDiffType = SignedLong;
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    IntPtrType = SignedLong;
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    IntMaxType = SignedLong;
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    Int64Type = SignedLong;
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    RegParmMax = 5;
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    if (Triple.getArch() == llvm::Triple::bpfeb) {
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      resetDataLayout("E-m:e-p:64:64-i64:64-i128:128-n32:64-S128");
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    } else {
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      resetDataLayout("e-m:e-p:64:64-i64:64-i128:128-n32:64-S128");
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    }
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    MaxAtomicPromoteWidth = 64;
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    MaxAtomicInlineWidth = 64;
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    TLSSupported = false;
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  }
Unexecuted instantiation: clang::targets::BPFTargetInfo::BPFTargetInfo(llvm::Triple const&, clang::TargetOptions const&)
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  void getTargetDefines(const LangOptions &Opts,
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                        MacroBuilder &Builder) const override;
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  bool hasFeature(StringRef Feature) const override {
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    return Feature == "bpf" || Feature == "alu32" || Feature == "dwarfris";
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  }
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  void setFeatureEnabled(llvm::StringMap<bool> &Features, StringRef Name,
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                         bool Enabled) const override {
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    Features[Name] = Enabled;
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  }
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  bool handleTargetFeatures(std::vector<std::string> &Features,
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                            DiagnosticsEngine &Diags) override;
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  ArrayRef<Builtin::Info> getTargetBuiltins() const override;
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  const char *getClobbers() const override { return ""; }
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  BuiltinVaListKind getBuiltinVaListKind() const override {
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    return TargetInfo::VoidPtrBuiltinVaList;
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  }
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  bool isValidGCCRegisterName(StringRef Name) const override { return true; }
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  ArrayRef<const char *> getGCCRegNames() const override { return None; }
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  bool validateAsmConstraint(const char *&Name,
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                             TargetInfo::ConstraintInfo &Info) const override {
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    switch (*Name) {
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    default:
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      break;
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    case 'w':
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      if (HasAlu32) {
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        Info.setAllowsRegister();
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      }
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      break;
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    }
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    return true;
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  }
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  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
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    return None;
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  }
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  bool allowDebugInfoForExternalRef() const override { return true; }
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  CallingConvCheckResult checkCallingConvention(CallingConv CC) const override {
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    switch (CC) {
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    default:
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      return CCCR_Warning;
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    case CC_C:
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    case CC_OpenCLKernel:
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      return CCCR_OK;
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    }
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  }
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  bool isValidCPUName(StringRef Name) const override;
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  void fillValidCPUList(SmallVectorImpl<StringRef> &Values) const override;
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  bool setCPU(const std::string &Name) override {
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    if (Name == "v3") {
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      HasAlu32 = true;
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    }
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    StringRef CPUName(Name);
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    return isValidCPUName(CPUName);
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  }
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};
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} // namespace targets
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} // namespace clang
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#endif // LLVM_CLANG_LIB_BASIC_TARGETS_BPF_H