commit a48e676a717309afa50ae06a3d4674acec025bf9
author Douglas Gregor <dgregor@apple.com> Mon Sep 26 14:47:03 2011 +0000
committer Douglas Gregor <dgregor@apple.com> Mon Sep 26 14:47:03 2011 +0000
tree 29ca8a97dbe53cb86df9a54095f49fdcefd182d3
parent 480b53cfff18c40d10fcb09b0185a9b75dfd491e

Re-arrange and bitfieldify data members of CXXConstructExpr to save a
little storage.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140529 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/AST/ExprCXX.h

diff --git a/include/clang/AST/ExprCXX.h b/include/clang/AST/ExprCXX.h
index da479b1..d42d12e 100644
--- a/include/clang/AST/ExprCXX.h
+++ b/include/clang/AST/ExprCXX.h
@@ -807,11 +807,11 @@
 
   SourceLocation Loc;
   SourceRange ParenRange;
+  unsigned NumArgs : 16;
   bool Elidable : 1;
   bool ZeroInitialization : 1;
   unsigned ConstructKind : 2;
   Stmt **Args;
-  unsigned NumArgs;
 
 protected:
   CXXConstructExpr(ASTContext &C, StmtClass SC, QualType T,
@@ -824,15 +824,15 @@
 
   /// \brief Construct an empty C++ construction expression.
   CXXConstructExpr(StmtClass SC, EmptyShell Empty)
-    : Expr(SC, Empty), Constructor(0), Elidable(0), ZeroInitialization(0),
-      ConstructKind(0), Args(0), NumArgs(0) { }
+    : Expr(SC, Empty), Constructor(0), NumArgs(0), Elidable(0), 
+      ZeroInitialization(0), ConstructKind(0), Args(0) { }
 
 public:
   /// \brief Construct an empty C++ construction expression.
   explicit CXXConstructExpr(EmptyShell Empty)
     : Expr(CXXConstructExprClass, Empty), Constructor(0),
-      Elidable(0), ZeroInitialization(0),
-      ConstructKind(0), Args(0), NumArgs(0) { }
+      NumArgs(0), Elidable(0), ZeroInitialization(0),
+      ConstructKind(0), Args(0) { }
 
   static CXXConstructExpr *Create(ASTContext &C, QualType T,
                                   SourceLocation Loc,

lib/AST/ExprCXX.cpp

diff --git a/lib/AST/ExprCXX.cpp b/lib/AST/ExprCXX.cpp
index 1cad13a..95b03ee 100644
--- a/lib/AST/ExprCXX.cpp
+++ b/lib/AST/ExprCXX.cpp
@@ -665,9 +665,9 @@
          T->isDependentType(), T->isDependentType(),
          T->isInstantiationDependentType(),
          T->containsUnexpandedParameterPack()),
-    Constructor(D), Loc(Loc), ParenRange(ParenRange), Elidable(elidable),
-    ZeroInitialization(ZeroInitialization), ConstructKind(ConstructKind),
-    Args(0), NumArgs(numargs) 
+    Constructor(D), Loc(Loc), ParenRange(ParenRange),  NumArgs(numargs),
+    Elidable(elidable), ZeroInitialization(ZeroInitialization), 
+    ConstructKind(ConstructKind), Args(0)
 {
   if (NumArgs) {
     Args = new (C) Stmt*[NumArgs];