Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/IR/DebugLoc.h b/linux-x64/clang/include/llvm/IR/DebugLoc.h
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+//===- DebugLoc.h - Debug Location Information ------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines a number of light weight data structures used
+// to describe and track debug location information.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_IR_DEBUGLOC_H
+#define LLVM_IR_DEBUGLOC_H
+
+#include "llvm/IR/TrackingMDRef.h"
+#include "llvm/Support/DataTypes.h"
+
+namespace llvm {
+
+ class LLVMContext;
+ class raw_ostream;
+ class DILocation;
+
+ /// \brief A debug info location.
+ ///
+ /// This class is a wrapper around a tracking reference to an \a DILocation
+ /// pointer.
+ ///
+ /// To avoid extra includes, \a DebugLoc doubles the \a DILocation API with a
+ /// one based on relatively opaque \a MDNode pointers.
+ class DebugLoc {
+ TrackingMDNodeRef Loc;
+
+ public:
+ DebugLoc() = default;
+
+ /// \brief Construct from an \a DILocation.
+ DebugLoc(const DILocation *L);
+
+ /// \brief Construct from an \a MDNode.
+ ///
+ /// Note: if \c N is not an \a DILocation, a verifier check will fail, and
+ /// accessors will crash. However, construction from other nodes is
+ /// supported in order to handle forward references when reading textual
+ /// IR.
+ explicit DebugLoc(const MDNode *N);
+
+ /// \brief Get the underlying \a DILocation.
+ ///
+ /// \pre !*this or \c isa<DILocation>(getAsMDNode()).
+ /// @{
+ DILocation *get() const;
+ operator DILocation *() const { return get(); }
+ DILocation *operator->() const { return get(); }
+ DILocation &operator*() const { return *get(); }
+ /// @}
+
+ /// \brief Check for null.
+ ///
+ /// Check for null in a way that is safe with broken debug info. Unlike
+ /// the conversion to \c DILocation, this doesn't require that \c Loc is of
+ /// the right type. Important for cases like \a llvm::StripDebugInfo() and
+ /// \a Instruction::hasMetadata().
+ explicit operator bool() const { return Loc; }
+
+ /// \brief Check whether this has a trivial destructor.
+ bool hasTrivialDestructor() const { return Loc.hasTrivialDestructor(); }
+
+ /// \brief Create a new DebugLoc.
+ ///
+ /// Create a new DebugLoc at the specified line/col and scope/inline. This
+ /// forwards to \a DILocation::get().
+ ///
+ /// If \c !Scope, returns a default-constructed \a DebugLoc.
+ ///
+ /// FIXME: Remove this. Users should use DILocation::get().
+ static DebugLoc get(unsigned Line, unsigned Col, const MDNode *Scope,
+ const MDNode *InlinedAt = nullptr);
+
+ enum { ReplaceLastInlinedAt = true };
+ /// Rebuild the entire inlined-at chain for this instruction so that the top of
+ /// the chain now is inlined-at the new call site.
+ /// \param InlinedAt The new outermost inlined-at in the chain.
+ /// \param ReplaceLast Replace the last location in the inlined-at chain.
+ static DebugLoc appendInlinedAt(DebugLoc DL, DILocation *InlinedAt,
+ LLVMContext &Ctx,
+ DenseMap<const MDNode *, MDNode *> &Cache,
+ bool ReplaceLast = false);
+
+ unsigned getLine() const;
+ unsigned getCol() const;
+ MDNode *getScope() const;
+ DILocation *getInlinedAt() const;
+
+ /// \brief Get the fully inlined-at scope for a DebugLoc.
+ ///
+ /// Gets the inlined-at scope for a DebugLoc.
+ MDNode *getInlinedAtScope() const;
+
+ /// \brief Find the debug info location for the start of the function.
+ ///
+ /// Walk up the scope chain of given debug loc and find line number info
+ /// for the function.
+ ///
+ /// FIXME: Remove this. Users should use DILocation/DILocalScope API to
+ /// find the subprogram, and then DILocation::get().
+ DebugLoc getFnDebugLoc() const;
+
+ /// \brief Return \c this as a bar \a MDNode.
+ MDNode *getAsMDNode() const { return Loc; }
+
+ bool operator==(const DebugLoc &DL) const { return Loc == DL.Loc; }
+ bool operator!=(const DebugLoc &DL) const { return Loc != DL.Loc; }
+
+ void dump() const;
+
+ /// \brief prints source location /path/to/file.exe:line:col @[inlined at]
+ void print(raw_ostream &OS) const;
+ };
+
+} // end namespace llvm
+
+#endif /* LLVM_SUPPORT_DEBUGLOC_H */