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- Early exit a nested block.

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- Correct comment.
- Whitespace changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65149 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2009-02-20 20:40:28 +00:00
parent 33e3a36f0a
commit 9a65cfe7dd
1 changed files with 27 additions and 23 deletions
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16
lib/CodeGen/AsmPrinter/DwarfWriter.cpp
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@ -1267,6 +1267,7 @@ class DwarfDebug : public Dwarf {
/// MainCU - Some platform prefers one compile unit per .o file. In such
/// cases, all dies are inserted in MainCU.
CompileUnit *MainCU;
/// AbbreviationsSet - Used to uniquely define abbreviations.
///
FoldingSet<DIEAbbrev> AbbreviationsSet;
@ -1278,7 +1279,7 @@ class DwarfDebug : public Dwarf {
/// Directories - Uniquing vector for directories.
UniqueVector<std::string> Directories;
/// SourceFiles - Uniquing vector for source files.
/// SrcFiles - Uniquing vector for source files.
UniqueVector<SrcFileInfo> SrcFiles;
/// Lines - List of of source line correspondence.
@ -1993,28 +1994,32 @@ private:
///
DbgScope *getOrCreateScope(GlobalVariable *V) {
DbgScope *&Slot = DbgScopeMap[V];
if (!Slot) {
if (Slot) return Slot;
// FIXME - breaks down when the context is an inlined function.
DIDescriptor ParentDesc;
DIDescriptor Desc(V);
if (Desc.getTag() == dwarf::DW_TAG_lexical_block) {
DIBlock Block(V);
ParentDesc = Block.getContext();
}
DbgScope *Parent = ParentDesc.isNull() ?
NULL : getOrCreateScope(ParentDesc.getGV());
Slot = new DbgScope(Parent, Desc);
if (Parent) {
Parent->AddScope(Slot);
} else if (RootDbgScope) {
// FIXME - Add inlined function scopes to the root so we can delete
// them later. Long term, handle inlined functions properly.
// FIXME - Add inlined function scopes to the root so we can delete them
// later. Long term, handle inlined functions properly.
RootDbgScope->AddScope(Slot);
} else {
// First function is top level function.
RootDbgScope = Slot;
}
}
return Slot;
}
@ -3087,7 +3092,6 @@ public:
/// ValidDebugInfo - Return true if V represents valid debug info value.
bool ValidDebugInfo(Value *V) {
if (!V)
return false;