Add flag to mark structs for Apple Block "byref" variables; also add code to
modify the type and location debug information for these variables to match the
programmer's expectations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80625 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.h b/lib/CodeGen/AsmPrinter/DwarfDebug.h
index 917d6ef..44fef29 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -287,6 +287,14 @@
void AddAddress(DIE *Die, unsigned Attribute,
const MachineLocation &Location);
+ /// AddBlockByrefAddress - Start with the address based on the location
+ /// provided, and generate the DWARF information necessary to find the
+ /// actual Block variable (navigating the Block struct) based on the
+ /// starting location. Add the DWARF information to the die.
+ ///
+ void AddBlockByrefAddress(DbgVariable *&DV, DIE *Die, unsigned Attribute,
+ const MachineLocation &Location);
+
/// AddType - Add a new type attribute to the specified entity.
void AddType(CompileUnit *DW_Unit, DIE *Entity, DIType Ty);
@@ -454,6 +462,11 @@
void ConstructSubprogram(MDNode *N);
+ /// Find the type the programmer originally declared the variable to be
+ /// and return that type.
+ ///
+ DIType GetBlockByrefType(DIType Ty, std::string Name);
+
public:
//===--------------------------------------------------------------------===//
// Main entry points.