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Free DbgScope created for dead functions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110045 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2010-08-02 17:32:15 +00:00
parent e1c9159f63
commit e9a1ccaf80
1 changed files with 4 additions and 0 deletions
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4
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -2032,6 +2032,7 @@ void DwarfDebug::beginModule(Module *M) {
void DwarfDebug::endModule() {
if (!FirstCU) return;
const Module *M = MMI->getModule();
DenseMap<const MDNode *, DbgScope *> DeadFnScopeMap;
if (NamedMDNode *AllSPs = M->getNamedMetadata("llvm.dbg.sp")) {
for (unsigned SI = 0, SE = AllSPs->getNumOperands(); SI != SE; ++SI) {
if (ProcessedSPNodes.count(AllSPs->getOperand(SI)) != 0) continue;
@ -2049,6 +2050,7 @@ void DwarfDebug::endModule() {
unsigned E = NMD->getNumOperands();
if (!E) continue;
DbgScope *Scope = new DbgScope(NULL, DIDescriptor(SP), NULL);
DeadFnScopeMap[SP] = Scope;
for (unsigned I = 0; I != E; ++I) {
DIVariable DV(NMD->getOperand(I));
if (!DV.Verify()) continue;
@ -2140,6 +2142,8 @@ void DwarfDebug::endModule() {
// Emit info into a debug str section.
emitDebugStr();
// clean up.
DeleteContainerSeconds(DeadFnScopeMap);
for (DenseMap<const MDNode *, CompileUnit *>::iterator I = CUMap.begin(),
E = CUMap.end(); I != E; ++I)
delete I->second;