6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-08-21 18:29:46 +00:00
Code Issues Projects Releases Wiki Activity

There is no need to maintain separate labelid list in the dwarf writer. It is not a good idea.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62090 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2009-01-12 18:41:00 +00:00
parent c775ea1376
commit e9bfb0feca
1 changed files with 5 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
lib/CodeGen/AsmPrinter/DwarfWriter.cpp
View File

@ -1341,37 +1341,6 @@ private:
// DbgScopeMap - Tracks the scopes in the current function. // DbgScopeMap - Tracks the scopes in the current function.
DenseMap<GlobalVariable *, DbgScope *> DbgScopeMap; DenseMap<GlobalVariable *, DbgScope *> DbgScopeMap;
// DbgLabelIDList - One entry per assigned label. Normally the entry is equal to
// the list index(+1). If the entry is zero then the label has been deleted.
// Any other value indicates the label has been deleted by is mapped to
// another label.
SmallVector<unsigned, 32> DbgLabelIDList;
/// NextLabelID - Return the next unique label id.
///
unsigned NextLabelID() {
unsigned ID = (unsigned)DbgLabelIDList.size() + 1;
DbgLabelIDList.push_back(ID);
return ID;
}
/// RemapLabel - Indicate that a label has been merged into another.
///
void RemapLabel(unsigned OldLabelID, unsigned NewLabelID) {
assert(0 < OldLabelID && OldLabelID <= DbgLabelIDList.size() &&
"Old label ID out of range.");
assert(NewLabelID <= DbgLabelIDList.size() &&
"New label ID out of range.");
DbgLabelIDList[OldLabelID - 1] = NewLabelID;
}
/// MappedLabel - Find out the label's final ID. Zero indicates deletion.
/// ID != Mapped ID indicates that the label was folded into another label.
unsigned MappedLabel(unsigned LabelID) const {
assert(LabelID <= DbgLabelIDList.size() && "Debug label ID out of range.");
return LabelID ? DbgLabelIDList[LabelID - 1] : 0;
}
struct FunctionDebugFrameInfo { struct FunctionDebugFrameInfo {
unsigned Number; unsigned Number;
std::vector<MachineMove> Moves; std::vector<MachineMove> Moves;
@ -2569,7 +2538,7 @@ private:
unsigned RecordSourceLine(Value *V, unsigned Line, unsigned Col) { unsigned RecordSourceLine(Value *V, unsigned Line, unsigned Col) {
CompileUnit *Unit = DW_CUs[V]; CompileUnit *Unit = DW_CUs[V];
assert (Unit && "Unable to find CompileUnit"); assert (Unit && "Unable to find CompileUnit");
unsigned ID = NextLabelID(); unsigned ID = MMI->NextLabelID();
Lines.push_back(SrcLineInfo(Line, Col, Unit->getID(), ID)); Lines.push_back(SrcLineInfo(Line, Col, Unit->getID(), ID));
return ID; return ID;
} }
@ -2588,7 +2557,7 @@ private:
/// ///
unsigned RecordRegionStart(GlobalVariable *V) { unsigned RecordRegionStart(GlobalVariable *V) {
DbgScope *Scope = getOrCreateScope(V); DbgScope *Scope = getOrCreateScope(V);
unsigned ID = NextLabelID(); unsigned ID = MMI->NextLabelID();
if (!Scope->getStartLabelID()) Scope->setStartLabelID(ID); if (!Scope->getStartLabelID()) Scope->setStartLabelID(ID);
return ID; return ID;
} }
@ -2597,7 +2566,7 @@ private:
/// ///
unsigned RecordRegionEnd(GlobalVariable *V) { unsigned RecordRegionEnd(GlobalVariable *V) {
DbgScope *Scope = getOrCreateScope(V); DbgScope *Scope = getOrCreateScope(V);
unsigned ID = NextLabelID(); unsigned ID = MMI->NextLabelID();
Scope->setEndLabelID(ID); Scope->setEndLabelID(ID);
return ID; return ID;
} }
@ -2659,8 +2628,8 @@ private:
// FIXME - Ignore inlined functions for the time being. // FIXME - Ignore inlined functions for the time being.
if (!Scope->getParent()) continue; if (!Scope->getParent()) continue;
unsigned StartID = MappedLabel(Scope->getStartLabelID()); unsigned StartID = MMI->MappedLabel(Scope->getStartLabelID());
unsigned EndID = MappedLabel(Scope->getEndLabelID()); unsigned EndID = MMI->MappedLabel(Scope->getEndLabelID());
// Ignore empty scopes. // Ignore empty scopes.
if (StartID == EndID && StartID != 0) continue; if (StartID == EndID && StartID != 0) continue;