Enable multiple Compile Units in one module.
This means now 'llvm-ld a.bc b.bc' will preserve debug info appropriately.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103439 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.h b/lib/CodeGen/AsmPrinter/DwarfDebug.h
index f3d6407..56282a3 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -82,8 +82,8 @@
// Attributes used to construct specific Dwarf sections.
//
- /// ModuleCU - All DIEs are inserted in ModuleCU.
- CompileUnit *ModuleCU;
+ CompileUnit *FirstCU;
+ DenseMap <const MDNode *, CompileUnit *> CUMap;
/// AbbreviationsSet - Used to uniquely define abbreviations.
///
@@ -506,10 +506,17 @@
/// maps as well.
unsigned GetOrCreateSourceID(StringRef DirName, StringRef FileName);
+ /// constructCompileUnit - Create new CompileUnit for the given
+ /// metadata node with tag DW_TAG_compile_unit.
void constructCompileUnit(const MDNode *N);
+ /// getCompielUnit - Get CompileUnit DIE.
+ CompileUnit *getCompileUnit(const MDNode *N) const;
+
+ /// constructGlobalVariableDIE - Construct global variable DIE.
void constructGlobalVariableDIE(const MDNode *N);
+ /// construct SubprogramDIE - Construct subprogram DIE.
void constructSubprogramDIE(const MDNode *N);
// FIXME: This should go away in favor of complex addresses.