mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-26 07:29:55 +00:00
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100221 91177308-0d34-0410-b5e6-96231b3b80d8
81 lines
2.9 KiB
C++
81 lines
2.9 KiB
C++
//===---- llvm/Support/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_SUPPORT_DEBUGLOC_H
|
|
#define LLVM_SUPPORT_DEBUGLOC_H
|
|
|
|
namespace llvm {
|
|
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 DebugLoc {
|
|
/// 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.
|
|
unsigned LineCol;
|
|
|
|
/// ScopeIdx - This is an opaque ID# for Scope/InlinedAt information,
|
|
/// decoded by LLVMContext. 0 is unknown.
|
|
int ScopeIdx;
|
|
public:
|
|
DebugLoc() : LineCol(0), ScopeIdx(0) {} // Defaults to unknown.
|
|
|
|
/// get - Get a new DebugLoc that corresponds to the specified line/col
|
|
/// scope/inline location.
|
|
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);
|
|
|
|
/// isUnknown - Return true if this is an unknown location.
|
|
bool isUnknown() const { return ScopeIdx == 0; }
|
|
|
|
unsigned getLine() const {
|
|
return (LineCol << 8) >> 8; // Mask out column.
|
|
}
|
|
|
|
unsigned getCol() const {
|
|
return LineCol >> 24;
|
|
}
|
|
|
|
/// getScope - This returns the scope pointer for this DebugLoc, or null if
|
|
/// invalid.
|
|
MDNode *getScope(const LLVMContext &Ctx) const;
|
|
|
|
/// getInlinedAt - This returns the InlinedAt pointer for this DebugLoc, or
|
|
/// null if invalid or not present.
|
|
MDNode *getInlinedAt(const LLVMContext &Ctx) const;
|
|
|
|
/// getScopeAndInlinedAt - Return both the Scope and the InlinedAt values.
|
|
void getScopeAndInlinedAt(MDNode *&Scope, MDNode *&IA,
|
|
const LLVMContext &Ctx) const;
|
|
|
|
|
|
/// getAsMDNode - This method converts the compressed DebugLoc node into a
|
|
/// DILocation compatible MDNode.
|
|
MDNode *getAsMDNode(const LLVMContext &Ctx) const;
|
|
|
|
bool operator==(const DebugLoc &DL) const {
|
|
return LineCol == DL.LineCol && ScopeIdx == DL.ScopeIdx;
|
|
}
|
|
bool operator!=(const DebugLoc &DL) const { return !(*this == DL); }
|
|
};
|
|
} // end namespace llvm
|
|
|
|
#endif /* LLVM_DEBUGLOC_H */
|