//
//===----------------------------------------------------------------------===//
-#ifndef LLVM_DEBUGLOC_H
-#define LLVM_DEBUGLOC_H
-
-#include "llvm/ADT/DenseMap.h"
-#include <vector>
+#ifndef LLVM_SUPPORT_DEBUGLOC_H
+#define LLVM_SUPPORT_DEBUGLOC_H
namespace llvm {
+ template <typename T> struct DenseMapInfo;
class MDNode;
class LLVMContext;
/// DebugLoc - Debug location id. This is carried by Instruction, SDNode,
/// and MachineInstr to compactly encode file/line/scope information for an
/// operation.
- class NewDebugLoc {
+ class DebugLoc {
+ friend struct DenseMapInfo<DebugLoc>;
+
+ /// getEmptyKey() - A private constructor that returns an unknown that is
+ /// not equal to the tombstone key or DebugLoc().
+ static DebugLoc getEmptyKey() {
+ DebugLoc DL;
+ DL.LineCol = 1;
+ return DL;
+ }
+
+ /// getTombstoneKey() - A private constructor that returns an unknown that
+ /// is not equal to the empty key or DebugLoc().
+ static DebugLoc getTombstoneKey() {
+ DebugLoc DL;
+ DL.LineCol = 2;
+ return DL;
+ }
+
/// LineCol - This 32-bit value encodes the line and column number for the
/// location, encoded as 24-bits for line and 8 bits for col. A value of 0
/// for either means unknown.
/// decoded by LLVMContext. 0 is unknown.
int ScopeIdx;
public:
- NewDebugLoc() : LineCol(0), ScopeIdx(0) {} // Defaults to unknown.
+ DebugLoc() : LineCol(0), ScopeIdx(0) {} // Defaults to unknown.
/// get - Get a new DebugLoc that corresponds to the specified line/col
/// scope/inline location.
- static NewDebugLoc get(unsigned Line, unsigned Col,
- MDNode *Scope, MDNode *InlinedAt = 0);
-
- /// getFromDILocation - Translate the DILocation quad into a NewDebugLoc.
- static NewDebugLoc getFromDILocation(MDNode *N);
+ static DebugLoc get(unsigned Line, unsigned Col,
+ MDNode *Scope, MDNode *InlinedAt = 0);
+ /// getFromDILocation - Translate the DILocation quad into a DebugLoc.
+ static DebugLoc getFromDILocation(MDNode *N);
+
+ /// getFromDILexicalBlock - Translate the DILexicalBlock into a DebugLoc.
+ static DebugLoc getFromDILexicalBlock(MDNode *N);
+
/// isUnknown - Return true if this is an unknown location.
bool isUnknown() const { return ScopeIdx == 0; }
/// DILocation compatible MDNode.
MDNode *getAsMDNode(const LLVMContext &Ctx) const;
- bool operator==(const NewDebugLoc &DL) const {
+ bool operator==(const DebugLoc &DL) const {
return LineCol == DL.LineCol && ScopeIdx == DL.ScopeIdx;
}
- bool operator!=(const NewDebugLoc &DL) const { return !(*this == DL); }
-
-
-
-
- static NewDebugLoc getUnknownLoc() { NewDebugLoc L; return L; }
+ bool operator!=(const DebugLoc &DL) const { return !(*this == DL); }
+
+ void dump(const LLVMContext &Ctx) const;
};
-
-
- typedef NewDebugLoc DebugLoc;
+ template <>
+ struct DenseMapInfo<DebugLoc> {
+ static DebugLoc getEmptyKey() { return DebugLoc::getEmptyKey(); }
+ static DebugLoc getTombstoneKey() { return DebugLoc::getTombstoneKey(); }
+ static unsigned getHashValue(const DebugLoc &Key);
+ static bool isEqual(DebugLoc LHS, DebugLoc RHS) { return LHS == RHS; }
+ };
} // end namespace llvm
#endif /* LLVM_DEBUGLOC_H */