Repace SmallPtrSet with SmallPtrSetImpl in function arguments to avoid needing to...

[oota-llvm.git] / include / llvm / IR / DebugInfo.h

diff --git a/include/llvm/IR/DebugInfo.h b/include/llvm/IR/DebugInfo.h
index 088eb9f01049de72c5b5bde27d5ed9597a94e413..e78c93ad1a31ba1320fc48a579a804a1b3131001 100644 (file)
--- a/include/llvm/IR/DebugInfo.h
+++ b/include/llvm/IR/DebugInfo.h
@@ -127,6 +127,7 @@ public:
 
   bool isDerivedType() const;
   bool isCompositeType() const;
+  bool isSubroutineType() const;
   bool isBasicType() const;
   bool isVariable() const;
   bool isSubprogram() const;
@@ -140,7 +141,6 @@ public:
   bool isSubrange() const;
   bool isEnumerator() const;
   bool isType() const;
-  bool isUnspecifiedParameter() const;
   bool isTemplateTypeParameter() const;
   bool isTemplateValueParameter() const;
   bool isObjCProperty() const;
@@ -166,17 +166,20 @@ public:
   bool Verify() const;
 };
 
-/// DIArray - This descriptor holds an array of descriptors.
-class DIArray : public DIDescriptor {
+/// DITypedArray - This descriptor holds an array of nodes with type T.
+template <typename T> class DITypedArray : public DIDescriptor {
 public:
-  explicit DIArray(const MDNode *N = nullptr) : DIDescriptor(N) {}
-
-  unsigned getNumElements() const;
-  DIDescriptor getElement(unsigned Idx) const {
-    return getDescriptorField(Idx);
+  explicit DITypedArray(const MDNode *N = nullptr) : DIDescriptor(N) {}
+  unsigned getNumElements() const {
+    return DbgNode ? DbgNode->getNumOperands() : 0;
+  }
+  T getElement(unsigned Idx) const {
+    return getFieldAs<T>(Idx);
   }
 };
 
+typedef DITypedArray<DIDescriptor> DIArray;
+
 /// DIEnumerator - A wrapper for an enumerator (e.g. X and Y in 'enum {X,Y}').
 /// FIXME: it seems strange that this doesn't have either a reference to the
 /// type/precision or a file/line pair for location info.
@@ -195,6 +198,7 @@ public:
 template <typename T> class DIRef;
 typedef DIRef<DIScope> DIScopeRef;
 typedef DIRef<DIType> DITypeRef;
+typedef DITypedArray<DITypeRef> DITypeArray;
 
 /// DIScope - A base class for various scopes.
 ///
@@ -393,12 +397,22 @@ public:
 class DICompositeType : public DIDerivedType {
   friend class DIDescriptor;
   void printInternal(raw_ostream &OS) const;
+  void setArraysHelper(MDNode *Elements, MDNode *TParams);
 
 public:
   explicit DICompositeType(const MDNode *N = nullptr) : DIDerivedType(N) {}
 
-  DIArray getTypeArray() const { return getFieldAs<DIArray>(10); }
-  void setTypeArray(DIArray Elements, DIArray TParams = DIArray());
+  DIArray getElements() const {
+    assert(!isSubroutineType() && "no elements for DISubroutineType");
+    return getFieldAs<DIArray>(10);
+  }
+  template <typename T>
+  void setArrays(DITypedArray<T> Elements, DIArray TParams = DIArray()) {
+    assert((!TParams || DbgNode->getNumOperands() == 15) &&
+           "If you're setting the template parameters this should include a slot "
+           "for that!");
+    setArraysHelper(Elements, TParams);
+  }
   unsigned getRunTimeLang() const { return getUnsignedField(11); }
   DITypeRef getContainingType() const { return getFieldAs<DITypeRef>(12); }
   void setContainingType(DICompositeType ContainingType);
@@ -409,6 +423,14 @@ public:
   bool Verify() const;
 };
 
+class DISubroutineType : public DICompositeType {
+public:
+  explicit DISubroutineType(const MDNode *N = nullptr) : DICompositeType(N) {}
+  DITypedArray<DITypeRef> getTypeArray() const {
+    return getFieldAs<DITypedArray<DITypeRef>>(10);
+  }
+};
+
 /// DIFile - This is a wrapper for a file.
 class DIFile : public DIScope {
   friend class DIDescriptor;
@@ -462,7 +484,7 @@ public:
   StringRef getDisplayName() const { return getStringField(4); }
   StringRef getLinkageName() const { return getStringField(5); }
   unsigned getLineNumber() const { return getUnsignedField(6); }
-  DICompositeType getType() const { return getFieldAs<DICompositeType>(7); }
+  DISubroutineType getType() const { return getFieldAs<DISubroutineType>(7); }
 
   /// isLocalToUnit - Return true if this subprogram is local to the current
   /// compile unit, like 'static' in C.
@@ -571,14 +593,6 @@ public:
   bool Verify() const;
 };
 
-/// DIUnspecifiedParameter - This is a wrapper for unspecified parameters.
-class DIUnspecifiedParameter : public DIDescriptor {
-public:
-  explicit DIUnspecifiedParameter(const MDNode *N = nullptr)
-    : DIDescriptor(N) {}
-  bool Verify() const;
-};
-
 /// DITemplateTypeParameter - This is a wrapper for template type parameter.
 class DITemplateTypeParameter : public DIDescriptor {
 public:
@@ -711,6 +725,17 @@ public:
   /// information for an inlined function arguments.
   bool isInlinedFnArgument(const Function *CurFn);
 
+  /// isVariablePiece - Return whether this is a piece of an aggregate
+  /// variable.
+  bool isVariablePiece() const;
+  /// getPieceOffset - Return the offset of this piece in bytes.
+  uint64_t getPieceOffset() const;
+  /// getPieceSize - Return the size of this piece in bytes.
+  uint64_t getPieceSize() const;
+
+  /// Return the size reported by the variable's type.
+  unsigned getSizeInBits(const DITypeIdentifierMap &Map);
+
   void printExtendedName(raw_ostream &OS) const;
 };
 
@@ -828,6 +853,9 @@ DIVariable createInlinedVariable(MDNode *DV, MDNode *InlinedScope,
 /// cleanseInlinedVariable - Remove inlined scope from the variable.
 DIVariable cleanseInlinedVariable(MDNode *DV, LLVMContext &VMContext);
 
+/// getEntireVariable - Remove OpPiece exprs from the variable.
+DIVariable getEntireVariable(DIVariable DV);
+
 /// Construct DITypeIdentifierMap by going through retained types of each CU.
 DITypeIdentifierMap generateDITypeIdentifierMap(const NamedMDNode *CU_Nodes);