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Actually source file has already been uniquified into an id during isel. Eliminate the StringMap.

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llvm-svn: 63009
This commit is contained in:
Evan Cheng 2009-01-26 07:53:42 +00:00
parent 9fda834684
commit 300df6af4f
3 changed files with 12 additions and 40 deletions
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30
include/llvm/CodeGen/DebugLoc.h
View File

@ -14,7 +14,6 @@
#define LLVM_CODEGEN_DEBUGLOC_H
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/StringMap.h"
#include <vector>
namespace llvm {
@ -22,10 +21,10 @@ namespace llvm {
/// DebugLocTuple - Debug location tuple of filename id, line and column.
///
struct DebugLocTuple {
unsigned FileId, Line, Col;
unsigned Src, Line, Col;
DebugLocTuple(unsigned fi, unsigned l, unsigned c)
: FileId(fi), Line(l), Col(c) {};
DebugLocTuple(unsigned s, unsigned l, unsigned c)
: Src(s), Line(l), Col(c) {};
};
/// DebugLoc - Debug location id. This is carried by SDNode and
@ -51,14 +50,14 @@ namespace llvm {
return DebugLocTuple(~1U, ~1U, ~1U);
}
static unsigned getHashValue(const DebugLocTuple &Val) {
return DenseMapInfo<unsigned>::getHashValue(Val.FileId) ^
return DenseMapInfo<unsigned>::getHashValue(Val.Src) ^
DenseMapInfo<unsigned>::getHashValue(Val.Line) ^
DenseMapInfo<unsigned>::getHashValue(Val.Col);
}
static bool isEqual(const DebugLocTuple &LHS, const DebugLocTuple &RHS) {
return LHS.FileId == RHS.FileId &&
return LHS.Src == RHS.Src &&
LHS.Line == RHS.Line &&
LHS.Col == RHS.Col;
LHS.Col == RHS.Col;
}
static bool isPod() { return true; }
@ -70,18 +69,6 @@ namespace llvm {
/// DebugLocTracker - This class tracks debug location information.
///
struct DebugLocTracker {
// NumFilenames - Size of the DebugFilenames vector.
//
unsigned NumFilenames;
// DebugFilenames - A vector of unique file names.
//
std::vector<std::string> DebugFilenames;
// DebugFilenamesMap - File name to DebugFilenames index map.
//
StringMap<unsigned> DebugFilenamesMap;
// NumDebugLocations - Size of the DebugLocations vector.
unsigned NumDebugLocations;
@ -93,12 +80,9 @@ namespace llvm {
// DebugLocations vector.
DebugIdMapType DebugIdMap;
DebugLocTracker() : NumFilenames(0), NumDebugLocations(0) {}
DebugLocTracker() : NumDebugLocations(0) {}
~DebugLocTracker() {
NumFilenames = 0;
DebugFilenames.clear();
DebugFilenamesMap.clear();
DebugLocations.clear();
DebugIdMap.clear();
}

4
include/llvm/CodeGen/MachineFunction.h
View File

@ -312,9 +312,9 @@ public:
//
/// lookUpDebugLocId - Look up the DebugLocTuple index with the given
/// filename, line, and column. It may add a new filename and / or
/// source file, line, and column. It may add a new filename and / or
/// a new DebugLocTuple.
unsigned lookUpDebugLocId(const char *Filename, unsigned Line, unsigned Col);
unsigned lookUpDebugLocId(unsigned Src, unsigned Line, unsigned Col);
};
//===--------------------------------------------------------------------===//

18
lib/CodeGen/MachineFunction.cpp
View File

@ -379,23 +379,11 @@ MachineFunction& MachineFunction::get(const Function *F)
}
/// lookUpDebugLocId - Look up the DebugLocTuple index with the given
/// filename, line, and column. It may add a new filename and / or
/// source file, line, and column. It may add a new filename and / or
/// a new DebugLocTuple.
unsigned MachineFunction::lookUpDebugLocId(const char *Filename, unsigned Line,
unsigned MachineFunction::lookUpDebugLocId(unsigned Src, unsigned Line,
unsigned Col) {
unsigned FileId;
StringMap<unsigned>::iterator I =
DebugLocInfo.DebugFilenamesMap.find(Filename);
if (I != DebugLocInfo.DebugFilenamesMap.end())
FileId = I->second;
else {
// Add a new filename.
FileId = DebugLocInfo.NumFilenames++;
DebugLocInfo.DebugFilenames.push_back(Filename);
DebugLocInfo.DebugFilenamesMap[Filename] = FileId;
}
struct DebugLocTuple Tuple(FileId, Line, Col);
struct DebugLocTuple Tuple(Src, Line, Col);
DebugIdMapType::iterator II = DebugLocInfo.DebugIdMap.find(Tuple);
if (II != DebugLocInfo.DebugIdMap.end())
return II->second;