Switch the type field in DIVariable and DIGlobalVariable over to DITypeRefs.

This allows us to catch more opportunities for ODR-based type uniquing
during LTO.
Paired commit with CFE which updates some testcases to verify the new
DIBuilder behavior.

llvm-svn: 204106

1 files changed, 6 insertions, 4 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
index 44eed9406fe..2f6c2546ed4 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -199,10 +199,7 @@ public:
     assert(Var.isVariable() && "Invalid complex DbgVariable!");
     return Var.hasComplexAddress();
   }
-  bool isBlockByrefVariable() const {
-    assert(Var.isVariable() && "Invalid complex DbgVariable!");
-    return Var.isBlockByrefVariable();
-  }
+  bool isBlockByrefVariable() const;
   unsigned getNumAddrElements() const {
     assert(Var.isVariable() && "Invalid complex DbgVariable!");
     return Var.getNumAddrElements();
@@ -777,6 +774,11 @@ public:
     return Ref.resolve(TypeIdentifierMap);
   }
 
+  /// \brief Return the TypeIdentifierMap.
+  const DITypeIdentifierMap& getTypeIdentifierMap() const {
+    return TypeIdentifierMap;
+  }
+
   /// Find the DwarfCompileUnit for the given CU Die.
   DwarfCompileUnit *lookupUnit(const DIE *CU) const {
     return CUDieMap.lookup(CU);