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Refactor.

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llvm-svn: 135633
This commit is contained in:
Devang Patel 2011-07-20 23:00:27 +00:00
parent 4634322bf4
commit bf27de8340
2 changed files with 42 additions and 31 deletions
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70
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
View File

@ -1573,44 +1573,54 @@ void DwarfDebug::endInstruction(const MachineInstr *MI) {
I->second = PrevLabel;
}
/// getOrCreateRegularScope - Create regular DbgScope.
DbgScope *DwarfDebug::getOrCreateRegularScope(MDNode *Scope) {
DbgScope *WScope = DbgScopeMap.lookup(Scope);
if (WScope)
return WScope;
WScope = new DbgScope(NULL, DIDescriptor(Scope), NULL);
DbgScopeMap.insert(std::make_pair(Scope, WScope));
if (DIDescriptor(Scope).isLexicalBlock()) {
DbgScope *Parent =
getOrCreateDbgScope(DebugLoc::getFromDILexicalBlock(Scope));
WScope->setParent(Parent);
Parent->addScope(WScope);
} else if (DIDescriptor(Scope).isSubprogram()
&& DISubprogram(Scope).describes(Asm->MF->getFunction()))
CurrentFnDbgScope = WScope;
return WScope;
}
/// getOrCreateInlinedScope - Create inlined scope.
DbgScope *DwarfDebug::getOrCreateInlinedScope(MDNode *Scope, MDNode *InlinedAt){
DbgScope *InlinedScope = DbgScopeMap.lookup(InlinedAt);
if (InlinedScope)
return InlinedScope;
InlinedScope = new DbgScope(NULL, DIDescriptor(Scope), InlinedAt);
DebugLoc InlinedLoc = DebugLoc::getFromDILocation(InlinedAt);
InlinedDbgScopeMap[InlinedLoc] = InlinedScope;
DbgScopeMap[InlinedAt] = InlinedScope;
DbgScope *Parent = getOrCreateDbgScope(InlinedLoc);
InlinedScope->setParent(Parent);
Parent->addScope(InlinedScope);
return InlinedScope;
}
/// getOrCreateDbgScope - Create DbgScope for the scope.
DbgScope *DwarfDebug::getOrCreateDbgScope(DebugLoc DL) {
LLVMContext &Ctx = Asm->MF->getFunction()->getContext();
MDNode *Scope = NULL;
MDNode *InlinedAt = NULL;
DL.getScopeAndInlinedAt(Scope, InlinedAt, Ctx);
if (!InlinedAt)
return getOrCreateRegularScope(Scope);
if (!InlinedAt) {
DbgScope *WScope = DbgScopeMap.lookup(Scope);
if (WScope)
return WScope;
WScope = new DbgScope(NULL, DIDescriptor(Scope), NULL);
DbgScopeMap.insert(std::make_pair(Scope, WScope));
if (DIDescriptor(Scope).isLexicalBlock()) {
DbgScope *Parent =
getOrCreateDbgScope(DebugLoc::getFromDILexicalBlock(Scope));
WScope->setParent(Parent);
Parent->addScope(WScope);
} else if (DIDescriptor(Scope).isSubprogram()
&& DISubprogram(Scope).describes(Asm->MF->getFunction()))
CurrentFnDbgScope = WScope;
return WScope;
}
// Create an abstract scope for inlined function.
getOrCreateAbstractScope(Scope);
DbgScope *WScope = DbgScopeMap.lookup(InlinedAt);
if (WScope)
return WScope;
WScope = new DbgScope(NULL, DIDescriptor(Scope), InlinedAt);
DbgScopeMap.insert(std::make_pair(InlinedAt, WScope));
InlinedDbgScopeMap[DebugLoc::getFromDILocation(InlinedAt)] = WScope;
DbgScope *Parent =
getOrCreateDbgScope(DebugLoc::getFromDILocation(InlinedAt));
WScope->setParent(Parent);
Parent->addScope(WScope);
return WScope;
// Create an inlined scope for inlined function.
return getOrCreateInlinedScope(Scope, InlinedAt);
}
/// calculateDominanceGraph - Calculate dominance graph for DbgScope

3
lib/CodeGen/AsmPrinter/DwarfDebug.h
View File

@ -318,7 +318,8 @@ private:
/// getOrCreateDbgScope - Create DbgScope for the scope.
DbgScope *getOrCreateDbgScope(DebugLoc DL);
DbgScope *getOrCreateRegularScope(MDNode *Scope);
DbgScope *getOrCreateInlinedScope(MDNode *Scope, MDNode *InlinedAt);
DbgScope *getOrCreateAbstractScope(const MDNode *N);
/// findAbstractVariable - Find abstract variable associated with Var.