[llvm] r234665 - DebugInfo: Remove dead DIDescriptor::getDescriptorField()

[Duncan P. N. Exon Smith]

Author: dexonsmith
Date: Fri Apr 10 18:53:44 2015
New Revision: 234665

URL: http://llvm.org/viewvc/llvm-project?rev=234665&view=rev
Log:
DebugInfo: Remove dead DIDescriptor::getDescriptorField()

Modified:
    llvm/trunk/include/llvm/IR/DebugInfo.h
    llvm/trunk/lib/IR/DebugInfo.cpp

Modified: llvm/trunk/include/llvm/IR/DebugInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/DebugInfo.h?rev=234665&r1=234664&r2=234665&view=diff
==============================================================================
--- llvm/trunk/include/llvm/IR/DebugInfo.h (original)
+++ llvm/trunk/include/llvm/IR/DebugInfo.h Fri Apr 10 18:53:44 2015
@@ -63,10 +63,6 @@ typedef DenseMap<const MDString *, MDNod
 /// This should not be stored in a container, because the underlying MDNode may
 /// change in certain situations.
 class DIDescriptor {
-  // Befriends DIRef so DIRef can befriend the protected member
-  // function: getFieldAs<DIRef>.
-  template <typename T> friend class DIRef;
-
 public:
   /// \brief Duplicated debug info flags.
   ///
@@ -80,11 +76,6 @@ public:
 protected:
   const MDNode *DbgNode;
 
-  DIDescriptor getDescriptorField(unsigned Elt) const;
-  template <typename DescTy> DescTy getFieldAs(unsigned Elt) const {
-    return DescTy(getDescriptorField(Elt));
-  }
-
 public:
   explicit DIDescriptor(const MDNode *N = nullptr) : DbgNode(N) {}
   DIDescriptor(const DebugNode *N) : DbgNode(N) {}
@@ -245,8 +236,6 @@ public:
 ///
 /// Abstracts over direct and identifier-based metadata references.
 template <typename T> class DIRef {
-  template <typename DescTy>
-  friend DescTy DIDescriptor::getFieldAs(unsigned Elt) const;
   friend DIScopeRef DIScope::getContext() const;
   friend DIScopeRef DIScope::getRef() const;
   friend class DIType;

Modified: llvm/trunk/lib/IR/DebugInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/DebugInfo.cpp?rev=234665&r1=234664&r2=234665&view=diff
==============================================================================
--- llvm/trunk/lib/IR/DebugInfo.cpp (original)
+++ llvm/trunk/lib/IR/DebugInfo.cpp Fri Apr 10 18:53:44 2015
@@ -33,25 +33,6 @@
 using namespace llvm;
 using namespace llvm::dwarf;
 
-//===----------------------------------------------------------------------===//
-// DIDescriptor
-//===----------------------------------------------------------------------===//
-
-static Metadata *getField(const MDNode *DbgNode, unsigned Elt) {
-  if (!DbgNode || Elt >= DbgNode->getNumOperands())
-    return nullptr;
-  return DbgNode->getOperand(Elt);
-}
-
-static MDNode *getNodeField(const MDNode *DbgNode, unsigned Elt) {
-  return dyn_cast_or_null<MDNode>(getField(DbgNode, Elt));
-}
-
-DIDescriptor DIDescriptor::getDescriptorField(unsigned Elt) const {
-  MDNode *Field = getNodeField(DbgNode, Elt);
-  return DIDescriptor(Field);
-}
-
 /// \brief Return the size reported by the variable's type.
 unsigned DIVariable::getSizeInBits(const DITypeIdentifierMap &Map) {
   DIType Ty = getType().resolve(Map);