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Revert r100117.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100145 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2010-04-01 22:47:29 +00:00
parent 8ef3acba00
commit c8e77640a5
1 changed files with 6 additions and 18 deletions
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24
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -2147,8 +2147,6 @@ bool DwarfDebug::extractScopeInformation() {
DenseMap<const MachineInstr *, unsigned> MIIndexMap;
unsigned MIIndex = 0;
MDNode *PrevScope = NULL;
MDNode *PrevInlinedAt = NULL;
// Scan each instruction and create scopes. First build working set of scopes.
for (MachineFunction::const_iterator I = MF->begin(), E = MF->end();
I != E; ++I) {
@ -2162,23 +2160,17 @@ bool DwarfDebug::extractScopeInformation() {
if (DL.isUnknown()) continue;
DILocation DLT = MF->getDILocation(DL);
DIScope DLTScope = DLT.getScope();
MDNode *NewScope = DLTScope.getNode();
if (!NewScope) continue;
if (!DLTScope.getNode()) continue;
// There is no need to create another DIE for compile unit. For all
// other scopes, create one DbgScope now. This will be translated
// into a scope DIE at the end.
if (DLTScope.isCompileUnit()) continue;
MDNode *NewInlinedAt = DLT.getOrigLocation().getNode();
if (NewScope == PrevScope && NewInlinedAt == PrevInlinedAt) continue;
createDbgScope(NewScope, NewInlinedAt);
PrevScope = NewScope;
PrevInlinedAt = NewInlinedAt;
createDbgScope(DLTScope.getNode(), DLT.getOrigLocation().getNode());
}
}
// Build scope hierarchy using working set of scopes.
PrevScope = NULL;
PrevInlinedAt = NULL;
for (MachineFunction::const_iterator I = MF->begin(), E = MF->end();
I != E; ++I) {
for (MachineBasicBlock::const_iterator II = I->begin(), IE = I->end();
@ -2190,18 +2182,14 @@ bool DwarfDebug::extractScopeInformation() {
if (DL.isUnknown()) continue;
DILocation DLT = MF->getDILocation(DL);
DIScope DLTScope = DLT.getScope();
MDNode *NewScope = DLTScope.getNode();
if (!NewScope) continue;
if (!DLTScope.getNode()) continue;
// There is no need to create another DIE for compile unit. For all
// other scopes, create one DbgScope now. This will be translated
// into a scope DIE at the end.
if (DLTScope.isCompileUnit()) continue;
MDNode *NewInlinedAt = DLT.getOrigLocation().getNode();
if (NewScope == PrevScope && NewInlinedAt == PrevInlinedAt) continue;
DbgScope *Scope = getUpdatedDbgScope(NewScope, MInsn, NewInlinedAt);
DbgScope *Scope = getUpdatedDbgScope(DLTScope.getNode(), MInsn,
DLT.getOrigLocation().getNode());
Scope->setLastInsn(MInsn);
PrevScope = NewScope;
PrevInlinedAt = NewInlinedAt;
}
}