Remove the last of the special case code for emitting attributes.

This works by moving the existing code into the DIEValue hierarchy
and using the DwarfDebug pointer off of the AsmPrinter to access
any global information we need.

llvm-svn: 203033

1 files changed, 2 insertions, 38 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 315c09f4dab..25667a22777 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -2003,44 +2003,8 @@ void DwarfDebug::emitDIE(DIE *Die) {
             cast<DIEInteger>(Values[i])->getValue()));
     }
 
-    switch (Attr) {
-    case dwarf::DW_AT_abstract_origin:
-    case dwarf::DW_AT_type:
-    case dwarf::DW_AT_friend:
-    case dwarf::DW_AT_specification:
-    case dwarf::DW_AT_import:
-    case dwarf::DW_AT_containing_type: {
-      DIEEntry *E = cast<DIEEntry>(Values[i]);
-      DIE *Origin = E->getEntry();
-      unsigned Addr = Origin->getOffset();
-      if (Form == dwarf::DW_FORM_ref_addr) {
-        assert(!useSplitDwarf() && "TODO: dwo files can't have relocations.");
-        // For DW_FORM_ref_addr, output the offset from beginning of debug info
-        // section. Origin->getOffset() returns the offset from start of the
-        // compile unit.
-        DwarfCompileUnit *CU = CUDieMap.lookup(Origin->getUnit());
-        assert(CU && "CUDie should belong to a CU.");
-        Addr += CU->getDebugInfoOffset();
-        if (Asm->MAI->doesDwarfUseRelocationsAcrossSections())
-          Asm->EmitLabelPlusOffset(CU->getSectionSym(), Addr,
-                                   DIEEntry::getRefAddrSize(Asm));
-        else
-          Asm->EmitLabelOffsetDifference(CU->getSectionSym(), Addr,
-                                         CU->getSectionSym(),
-                                         DIEEntry::getRefAddrSize(Asm));
-      } else {
-        // Make sure Origin belong to the same CU.
-        assert(Die->getUnit() == Origin->getUnit() &&
-               "The referenced DIE should belong to the same CU in ref4");
-        Asm->EmitInt32(Addr);
-      }
-      break;
-    }
-    default:
-      // Emit an attribute using the defined form.
-      Values[i]->EmitValue(Asm, Form);
-      break;
-    }
+    // Emit an attribute using the defined form.
+    Values[i]->EmitValue(Asm, Form);
   }
 
   // Emit the DIE children if any.