Devirtualize Decl::getBody() and Decl::hasBody().

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125731 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 18 insertions, 0 deletions

diff --git a/lib/AST/DeclBase.cpp b/lib/AST/DeclBase.cpp
index a95ea3f646..110de64d8c 100644
--- a/lib/AST/DeclBase.cpp
+++ b/lib/AST/DeclBase.cpp
@@ -429,6 +429,24 @@ DeclContext *Decl::castToDeclContext(const Decl *D) {
   }
 }
 
+Stmt *Decl::getBody() const {
+  if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(this))
+    return FD->getBody();
+  if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(this))
+    return MD->getBody();
+  if (const BlockDecl *BD = dyn_cast<BlockDecl>(this))
+    return BD->getBody();
+  
+  return 0;
+}
+
+bool Decl::hasBody() const {
+  if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(this))
+    return FD->hasBody();
+  
+  return getBody() != 0;
+}
+
 SourceLocation Decl::getBodyRBrace() const {
   // Special handling of FunctionDecl to avoid de-serializing the body from PCH.
   // FunctionDecl stores EndRangeLoc for this purpose.