maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[AST][NFC] Pack CXXNullPtrLiteralExpr 

Use the newly available space in the bit-fields of Stmt.
This saves one pointer per CXXNullPtrLiteralExpr.

llvm-svn: 347063
This commit is contained in:
Bruno Ricci 2018-11-16 16:56:49 +00:00
parent df9393fbe3
commit 7bc1ff9cdc
2 changed files with 18 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
clang/include/clang/AST/ExprCXX.h
View File

@ -582,22 +582,21 @@ public:
/// ///
/// Introduced in C++11, the only literal of type \c nullptr_t is \c nullptr. /// Introduced in C++11, the only literal of type \c nullptr_t is \c nullptr.
class CXXNullPtrLiteralExpr : public Expr { class CXXNullPtrLiteralExpr : public Expr {
SourceLocation Loc;
public: public:
CXXNullPtrLiteralExpr(QualType Ty, SourceLocation l) CXXNullPtrLiteralExpr(QualType Ty, SourceLocation Loc)
: Expr(CXXNullPtrLiteralExprClass, Ty, VK_RValue, OK_Ordinary, false, : Expr(CXXNullPtrLiteralExprClass, Ty, VK_RValue, OK_Ordinary, false,
false, false, false), false, false, false) {
Loc(l) {} CXXNullPtrLiteralExprBits.Loc = Loc;
}
explicit CXXNullPtrLiteralExpr(EmptyShell Empty) explicit CXXNullPtrLiteralExpr(EmptyShell Empty)
: Expr(CXXNullPtrLiteralExprClass, Empty) {} : Expr(CXXNullPtrLiteralExprClass, Empty) {}
SourceLocation getBeginLoc() const LLVM_READONLY { return Loc; } SourceLocation getBeginLoc() const { return getLocation(); }
SourceLocation getEndLoc() const LLVM_READONLY { return Loc; } SourceLocation getEndLoc() const { return getLocation(); }
SourceLocation getLocation() const { return Loc; } SourceLocation getLocation() const { return CXXNullPtrLiteralExprBits.Loc; }
void setLocation(SourceLocation L) { Loc = L; } void setLocation(SourceLocation L) { CXXNullPtrLiteralExprBits.Loc = L; }
static bool classof(const Stmt *T) { static bool classof(const Stmt *T) {
return T->getStmtClass() == CXXNullPtrLiteralExprClass; return T->getStmtClass() == CXXNullPtrLiteralExprClass;

10
clang/include/clang/AST/Stmt.h
View File

@ -514,6 +514,15 @@ protected:
SourceLocation Loc; SourceLocation Loc;
}; };
class CXXNullPtrLiteralExprBitfields {
friend class CXXNullPtrLiteralExpr;
unsigned : NumExprBits;
/// The location of the null pointer literal.
SourceLocation Loc;
};
class TypeTraitExprBitfields { class TypeTraitExprBitfields {
friend class ASTStmtReader; friend class ASTStmtReader;
friend class ASTStmtWriter; friend class ASTStmtWriter;
@ -613,6 +622,7 @@ protected:
// C++ Expressions // C++ Expressions
CXXBoolLiteralExprBitfields CXXBoolLiteralExprBits; CXXBoolLiteralExprBitfields CXXBoolLiteralExprBits;
CXXNullPtrLiteralExprBitfields CXXNullPtrLiteralExprBits;
TypeTraitExprBitfields TypeTraitExprBits; TypeTraitExprBitfields TypeTraitExprBits;
ExprWithCleanupsBitfields ExprWithCleanupsBits; ExprWithCleanupsBitfields ExprWithCleanupsBits;