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111 lines
3.8 KiB
C++
111 lines
3.8 KiB
C++
//===- DebugLoc.h - Debug Location Information ------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines a number of light weight data structures used
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// to describe and track debug location information.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_IR_DEBUGLOC_H
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#define LLVM_IR_DEBUGLOC_H
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#include "llvm/IR/TrackingMDRef.h"
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#include "llvm/Support/DataTypes.h"
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namespace llvm {
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class LLVMContext;
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class raw_ostream;
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class MDNode;
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/// DebugLoc - Debug location id. This is carried by Instruction, SDNode,
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/// and MachineInstr to compactly encode file/line/scope information for an
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/// operation.
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class DebugLoc {
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TrackingMDNodeRef Loc;
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public:
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DebugLoc() {}
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DebugLoc(DebugLoc &&X) : Loc(std::move(X.Loc)) {}
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DebugLoc(const DebugLoc &X) : Loc(X.Loc) {}
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DebugLoc &operator=(DebugLoc &&X) {
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Loc = std::move(X.Loc);
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return *this;
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}
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DebugLoc &operator=(const DebugLoc &X) {
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Loc = X.Loc;
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return *this;
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}
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/// \brief Check whether this has a trivial destructor.
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bool hasTrivialDestructor() const { return Loc.hasTrivialDestructor(); }
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/// get - Get a new DebugLoc that corresponds to the specified line/col
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/// scope/inline location.
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static DebugLoc get(unsigned Line, unsigned Col, MDNode *Scope,
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MDNode *InlinedAt = nullptr);
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/// getFromDILocation - Translate the DILocation quad into a DebugLoc.
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static DebugLoc getFromDILocation(MDNode *N);
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/// getFromDILexicalBlock - Translate the DILexicalBlock into a DebugLoc.
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static DebugLoc getFromDILexicalBlock(MDNode *N);
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/// isUnknown - Return true if this is an unknown location.
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bool isUnknown() const { return !Loc; }
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unsigned getLine() const;
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unsigned getCol() const;
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/// getScope - This returns the scope pointer for this DebugLoc, or null if
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/// invalid.
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MDNode *getScope() const;
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MDNode *getScope(const LLVMContext &) const { return getScope(); }
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/// getInlinedAt - This returns the InlinedAt pointer for this DebugLoc, or
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/// null if invalid or not present.
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MDNode *getInlinedAt() const;
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MDNode *getInlinedAt(const LLVMContext &) const { return getInlinedAt(); }
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/// getScopeAndInlinedAt - Return both the Scope and the InlinedAt values.
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void getScopeAndInlinedAt(MDNode *&Scope, MDNode *&IA) const;
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void getScopeAndInlinedAt(MDNode *&Scope, MDNode *&IA,
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const LLVMContext &) const {
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return getScopeAndInlinedAt(Scope, IA);
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}
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/// getScopeNode - Get MDNode for DebugLoc's scope, or null if invalid.
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MDNode *getScopeNode() const;
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MDNode *getScopeNode(const LLVMContext &) const { return getScopeNode(); }
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// getFnDebugLoc - Walk up the scope chain of given debug loc and find line
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// number info for the function.
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DebugLoc getFnDebugLoc() const;
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DebugLoc getFnDebugLoc(const LLVMContext &) const {
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return getFnDebugLoc();
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}
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/// getAsMDNode - This method converts the compressed DebugLoc node into a
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/// DILocation compatible MDNode.
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MDNode *getAsMDNode() const;
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MDNode *getAsMDNode(LLVMContext &) const { return getAsMDNode(); }
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bool operator==(const DebugLoc &DL) const { return Loc == DL.Loc; }
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bool operator!=(const DebugLoc &DL) const { return !(*this == DL); }
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void dump() const;
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void dump(const LLVMContext &) const { dump(); }
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/// \brief prints source location /path/to/file.exe:line:col @[inlined at]
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void print(raw_ostream &OS) const;
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};
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} // end namespace llvm
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#endif /* LLVM_SUPPORT_DEBUGLOC_H */
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