Devirtualize DeclaratorDecl::getInnerLocStart() and TagDecl::getInnerLocStart().

llvm-svn: 125754

2 files changed, 25 insertions, 14 deletions

diff --git a/clang/lib/AST/Decl.cpp b/clang/lib/AST/Decl.cpp
index 0b07d13cba3..8c55d0e7abf 100644
--- a/clang/lib/AST/Decl.cpp
+++ b/clang/lib/AST/Decl.cpp
@@ -969,6 +969,20 @@ void DeclaratorDecl::setQualifierInfo(NestedNameSpecifier *Qualifier,
   }
 }
 
+SourceLocation DeclaratorDecl::getInnerLocStart() const {
+  if (const VarDecl *Var = dyn_cast<VarDecl>(this)) {
+    SourceLocation Start = Var->getTypeSpecStartLoc();
+    if (Start.isValid())
+      return Start;    
+  } else if (const NonTypeTemplateParmDecl *NTTP 
+                                    = dyn_cast<NonTypeTemplateParmDecl>(this)) {
+    SourceLocation Start = NTTP->getTypeSpecStartLoc();
+    if (Start.isValid())
+      return Start;        
+  }
+  return getLocation();
+}
+
 SourceLocation DeclaratorDecl::getOuterLocStart() const {
   return getTemplateOrInnerLocStart(this);
 }
@@ -1029,13 +1043,6 @@ void VarDecl::setStorageClass(StorageClass SC) {
   SClass = SC;
 }
 
-SourceLocation VarDecl::getInnerLocStart() const {
-  SourceLocation Start = getTypeSpecStartLoc();
-  if (Start.isInvalid())
-    Start = getLocation();
-  return Start;
-}
-
 SourceRange VarDecl::getSourceRange() const {
   if (getInit())
     return SourceRange(getOuterLocStart(), getInit()->getLocEnd());
@@ -1959,6 +1966,17 @@ unsigned FieldDecl::getFieldIndex() const {
 // TagDecl Implementation
 //===----------------------------------------------------------------------===//
 
+SourceLocation TagDecl::getInnerLocStart() const {
+  if (const ClassTemplateSpecializationDecl *Spec 
+                         = dyn_cast<ClassTemplateSpecializationDecl>(this)) {
+    SourceLocation Start = Spec->getTemplateKeywordLoc();
+    if (Start.isValid())
+      return Start;    
+  } 
+  
+  return getTagKeywordLoc();
+}
+
 SourceLocation TagDecl::getOuterLocStart() const {
   return getTemplateOrInnerLocStart(this);
 }
diff --git a/clang/lib/AST/DeclTemplate.cpp b/clang/lib/AST/DeclTemplate.cpp
index 2aa446bcd31..980a373778f 100644
--- a/clang/lib/AST/DeclTemplate.cpp
+++ b/clang/lib/AST/DeclTemplate.cpp
@@ -455,13 +455,6 @@ NonTypeTemplateParmDecl::Create(const ASTContext &C, DeclContext *DC,
                                            ExpandedTInfos);
 }
 
-SourceLocation NonTypeTemplateParmDecl::getInnerLocStart() const {
-  SourceLocation Start = getTypeSpecStartLoc();
-  if (Start.isInvalid())
-    Start = getLocation();
-  return Start;
-}
-
 SourceRange NonTypeTemplateParmDecl::getSourceRange() const {
   return SourceRange(getOuterLocStart(), getLocation());
 }