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Diffstat (limited to 'clang-r344140b/include/clang/Basic/XRayInstr.h')
| -rw-r--r-- | clang-r344140b/include/clang/Basic/XRayInstr.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/clang-r344140b/include/clang/Basic/XRayInstr.h b/clang-r344140b/include/clang/Basic/XRayInstr.h new file mode 100644 index 00000000..6efefcb3 --- /dev/null +++ b/clang-r344140b/include/clang/Basic/XRayInstr.h @@ -0,0 +1,72 @@ +//===--- XRayInstr.h --------------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +/// \file +/// Defines the clang::XRayInstrKind enum. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CLANG_BASIC_XRAYINSTR_H +#define LLVM_CLANG_BASIC_XRAYINSTR_H + +#include "clang/Basic/LLVM.h" +#include "llvm/ADT/StringRef.h" +#include "llvm/Support/MathExtras.h" +#include <cassert> +#include <cstdint> + +namespace clang { + +using XRayInstrMask = uint32_t; + +namespace XRayInstrKind { + +// TODO: Auto-generate these as we add more instrumentation kinds. +enum XRayInstrOrdinal : XRayInstrMask { + XRIO_Function, + XRIO_Custom, + XRIO_Typed, + XRIO_Count +}; + +constexpr XRayInstrMask None = 0; +constexpr XRayInstrMask Function = 1U << XRIO_Function; +constexpr XRayInstrMask Custom = 1U << XRIO_Custom; +constexpr XRayInstrMask Typed = 1U << XRIO_Typed; +constexpr XRayInstrMask All = Function | Custom | Typed; + +} // namespace XRayInstrKind + +struct XRayInstrSet { + bool has(XRayInstrMask K) const { + assert(llvm::isPowerOf2_32(K)); + return Mask & K; + } + + bool hasOneOf(XRayInstrMask K) const { return Mask & K; } + + void set(XRayInstrMask K, bool Value) { + assert(llvm::isPowerOf2_32(K)); + Mask = Value ? (Mask | K) : (Mask & ~K); + } + + void clear(XRayInstrMask K = XRayInstrKind::All) { Mask &= ~K; } + + bool empty() const { return Mask == 0; } + + bool full() const { return Mask == XRayInstrKind::All; } + + XRayInstrMask Mask = 0; +}; + +XRayInstrMask parseXRayInstrValue(StringRef Value); + +} // namespace clang + +#endif // LLVM_CLANG_BASIC_XRAYINSTR_H |
