Do not use AT_specification die for static variables. It confuses gdb.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93494 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index af8366a..15f37ae 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -1653,8 +1653,11 @@
ModuleCU->insertDIE(N, VariableDie);
// Add to context owner.
- if (DI_GV.isDefinition()
- && !DI_GV.getContext().isCompileUnit()) {
+ DIDescriptor GVContext = DI_GV.getContext();
+ // Do not create specification DIE if context is either compile unit
+ // or a subprogram.
+ if (DI_GV.isDefinition() && !GVContext.isCompileUnit()
+ && !GVContext.isSubprogram()) {
// Create specification DIE.
DIE *VariableSpecDIE = new DIE(dwarf::DW_TAG_variable);
addDIEEntry(VariableSpecDIE, dwarf::DW_AT_specification,
@@ -1672,7 +1675,7 @@
Asm->Mang->getMangledName(DI_GV.getGlobal()));
addBlock(VariableDie, dwarf::DW_AT_location, 0, Block);
}
- addToContextOwner(VariableDie, DI_GV.getContext());
+ addToContextOwner(VariableDie, GVContext);
// Expose as global. FIXME - need to check external flag.
ModuleCU->addGlobal(DI_GV.getName(), VariableDie);