Check in getOrCreateSubprogramDIE if a declaration exists and if so output
it first.
This is a more general fix to pr11300.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144324 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
index d440a74..657763a 100644
--- a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
@@ -934,6 +934,12 @@
if (SPDie)
return SPDie;
+ DISubprogram SPDecl = SP.getFunctionDeclaration();
+ DIE *DeclDie = NULL;
+ if (SPDecl.isSubprogram()) {
+ DeclDie = getOrCreateSubprogramDIE(SPDecl);
+ }
+
SPDie = new DIE(dwarf::DW_TAG_subprogram);
// DW_TAG_inlined_subroutine may refer to this DIE.
@@ -952,8 +958,13 @@
// If this DIE is going to refer declaration info using AT_specification
// then there is no need to add other attributes.
- if (SP.getFunctionDeclaration().isSubprogram())
+ if (DeclDie) {
+ // Refer function declaration directly.
+ addDIEEntry(SPDie, dwarf::DW_AT_specification, dwarf::DW_FORM_ref4,
+ DeclDie);
+
return SPDie;
+ }
// Constructors and operators for anonymous aggregates do not have names.
if (!SP.getName().empty())