MDNodes are not expected to disappear or replaced by another MDNode, so there is no need to pay the cost of WeakVH and ValueMaps.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93865 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.h b/lib/CodeGen/AsmPrinter/DwarfDebug.h
index 950f40d..fb6cb1c 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -20,7 +20,7 @@
#include "llvm/CodeGen/MachineLocation.h"
#include "llvm/Analysis/DebugInfo.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/ADT/ValueMap.h"
+#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/FoldingSet.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/StringMap.h"
@@ -136,25 +136,25 @@
/// DbgScopeMap - Tracks the scopes in the current function.
///
- ValueMap<MDNode *, DbgScope *> DbgScopeMap;
+ DenseMap<MDNode *, DbgScope *> DbgScopeMap;
/// ConcreteScopes - Tracks the concrete scopees in the current function.
/// These scopes are also included in DbgScopeMap.
- ValueMap<MDNode *, DbgScope *> ConcreteScopes;
+ DenseMap<MDNode *, DbgScope *> ConcreteScopes;
/// AbstractScopes - Tracks the abstract scopes a module. These scopes are
/// not included DbgScopeMap.
- ValueMap<MDNode *, DbgScope *> AbstractScopes;
+ DenseMap<MDNode *, DbgScope *> AbstractScopes;
SmallVector<DbgScope *, 4>AbstractScopesList;
/// AbstractVariables - Collection on abstract variables.
- ValueMap<MDNode *, DbgVariable *> AbstractVariables;
+ DenseMap<MDNode *, DbgVariable *> AbstractVariables;
/// InliendSubprogramDIEs - Collection of subprgram DIEs that are marked
/// (at the end of the module) as DW_AT_inline.
SmallPtrSet<DIE *, 4> InlinedSubprogramDIEs;
- DenseMap<DIE *, WeakVH> ContainingTypeMap;
+ DenseMap<DIE *, MDNode *> ContainingTypeMap;
/// AbstractSubprogramDIEs - Collection of abstruct subprogram DIEs.
SmallPtrSet<DIE *, 4> AbstractSubprogramDIEs;
@@ -176,7 +176,7 @@
/// InlineInfo - Keep track of inlined functions and their location. This
/// information is used to populate debug_inlined section.
typedef std::pair<unsigned, DIE *> InlineInfoLabels;
- ValueMap<MDNode *, SmallVector<InlineInfoLabels, 4> > InlineInfo;
+ DenseMap<MDNode *, SmallVector<InlineInfoLabels, 4> > InlineInfo;
SmallVector<MDNode *, 4> InlinedSPNodes;
/// CompileUnitOffsets - A vector of the offsets of the compile units. This is