Add support to describe template parameter type in debug info.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124752 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 37 insertions, 1 deletions

diff --git a/include/llvm/Analysis/DIBuilder.h b/include/llvm/Analysis/DIBuilder.h
index 2fb9ed0e96..a948ce2c1d 100644
--- a/include/llvm/Analysis/DIBuilder.h
+++ b/include/llvm/Analysis/DIBuilder.h
@@ -38,6 +38,7 @@ namespace llvm {
   class DISubrange;
   class DILexicalBlock;
   class DISubprogram;
+  class DITemplateTypeParameter;
 
   class DIBuilder {
     private:
@@ -157,11 +158,13 @@ namespace llvm {
     ///                     for this type. This is used in 
     ///                     DW_AT_containing_type. See DWARF documentation
     ///                     for more info.
+    /// @param TemplateParms Template type parameters.
     DIType CreateClassType(DIDescriptor Scope, StringRef Name, DIFile File,
                            unsigned LineNumber, uint64_t SizeInBits,
                            uint64_t AlignInBits, uint64_t OffsetInBits,
                            unsigned Flags, DIType DerivedFrom, 
-                           DIArray Elements, MDNode *VTableHolder = 0);
+                           DIArray Elements, MDNode *VTableHolder = 0,
+                           MDNode *TemplateParms = 0);
 
     /// CreateStructType - Create debugging information entry for a struct.
     /// @param Scope        Scope in which this struct is defined.
@@ -193,6 +196,19 @@ namespace llvm {
                            uint64_t AlignInBits, unsigned Flags,
                            DIArray Elements, unsigned RunTimeLang = 0);
 
+    /// CreateTemplateTypeParameter - Create debugging information for template
+    /// type parameter.
+    /// @param Scope        Scope in which this type is dfiend
+    /// @param Name         Type parameter name.
+    /// @param Ty           Parameter type.
+    /// @param File         File where this type parameter is defined.
+    /// @param LineNo       Line number.
+    /// @param ColumnNo     Column Number.
+    DITemplateTypeParameter
+    CreateTemplateTypeParameter(DIDescriptor Scope, StringRef Name, DIType Ty,
+                                MDNode *File = 0, unsigned LineNo = 0,
+                                unsigned ColumnNo = 0);
+
     /// CreateArrayType - Create debugging information entry for an array.
     /// @param Size         Array size.
     /// @param AlignInBits  Alignment.
diff --git a/include/llvm/Analysis/DebugInfo.h b/include/llvm/Analysis/DebugInfo.h
index f0effb7567..b547263669 100644
--- a/include/llvm/Analysis/DebugInfo.h
+++ b/include/llvm/Analysis/DebugInfo.h
@@ -122,6 +122,7 @@ namespace llvm {
     bool isType() const;
     bool isGlobal() const;
     bool isUnspecifiedParameter() const;
+    bool isTemplateTypeParameter() const;
   };
 
   /// DISubrange - This is used to represent ranges, for array bounds.
@@ -356,6 +357,7 @@ namespace llvm {
     DICompositeType getContainingType() const {
       return getFieldAs<DICompositeType>(12);
     }
+    DIArray getTemplateParams() const { return getFieldAs<DIArray>(13); }
 
     /// Verify - Verify that a composite type descriptor is well formed.
     bool Verify() const;
@@ -367,6 +369,24 @@ namespace llvm {
     void dump() const;
   };
 
+  /// DITemplateTypeParameter - This is a wrapper for template type parameter.
+  class DITemplateTypeParameter : public DIDescriptor {
+  public:
+    explicit DITemplateTypeParameter(const MDNode *N = 0) : DIDescriptor(N) {}
+
+    DIScope getContext() const       { return getFieldAs<DIScope>(1); }
+    StringRef getName() const        { return getStringField(2); }
+    DIType getType() const           { return getFieldAs<DIType>(3); }
+    StringRef getFilename() const    { 
+      return getFieldAs<DIFile>(4).getFilename();
+    }
+    StringRef getDirectory() const   { 
+      return getFieldAs<DIFile>(4).getDirectory();
+    }
+    unsigned getLineNumber() const   { return getUnsignedField(5); }
+    unsigned getColumnNumber() const { return getUnsignedField(6); }
+  };
+
   /// DISubprogram - This is a wrapper for a subprogram (e.g. a function).
   class DISubprogram : public DIScope {
   public: