Zap unused UnaryOperator::OffsetOf.

llvm-svn: 110996

3 files changed, 0 insertions, 44 deletions

diff --git a/clang/lib/AST/Expr.cpp b/clang/lib/AST/Expr.cpp
index c4666facd28..7b1828cfee8 100644
--- a/clang/lib/AST/Expr.cpp
+++ b/clang/lib/AST/Expr.cpp
@@ -447,7 +447,6 @@ const char *UnaryOperator::getOpcodeStr(Opcode Op) {
   case Real:    return "__real";
   case Imag:    return "__imag";
   case Extension: return "__extension__";
-  case OffsetOf: return "__builtin_offsetof";
   }
 }
 
diff --git a/clang/lib/AST/ExprConstant.cpp b/clang/lib/AST/ExprConstant.cpp
index 30234f5a78a..3ef2a62e2d7 100644
--- a/clang/lib/AST/ExprConstant.cpp
+++ b/clang/lib/AST/ExprConstant.cpp
@@ -1573,19 +1573,6 @@ bool IntExprEvaluator::VisitOffsetOfExpr(const OffsetOfExpr *E) {
 }
 
 bool IntExprEvaluator::VisitUnaryOperator(const UnaryOperator *E) {
-  // Special case unary operators that do not need their subexpression
-  // evaluated.  offsetof/sizeof/alignof are all special.
-  if (E->isOffsetOfOp()) {
-    // The AST for offsetof is defined in such a way that we can just
-    // directly Evaluate it as an l-value.
-    LValue LV;
-    if (!EvaluateLValue(E->getSubExpr(), LV, Info))
-        return false;
-    if (LV.getLValueBase())
-        return false;
-    return Success(LV.getLValueOffset().getQuantity(), E);
-  }
-    
   if (E->getOpcode() == UnaryOperator::LNot) {
     // LNot's operand isn't necessarily an integer, so we handle it specially.
     bool bres;
@@ -2495,8 +2482,6 @@ static ICEDiag CheckICE(const Expr* E, ASTContext &Ctx) {
     case UnaryOperator::Real:
     case UnaryOperator::Imag:
       return CheckICE(Exp->getSubExpr(), Ctx);
-    case UnaryOperator::OffsetOf:
-      break;
     }
     
     // OffsetOf falls through here.
diff --git a/clang/lib/AST/StmtPrinter.cpp b/clang/lib/AST/StmtPrinter.cpp
index 6ff4711ea02..be7fdb56567 100644
--- a/clang/lib/AST/StmtPrinter.cpp
+++ b/clang/lib/AST/StmtPrinter.cpp
@@ -77,9 +77,6 @@ namespace  {
       return OS;
     }
 
-    bool PrintOffsetOfDesignator(Expr *E);
-    void VisitUnaryOffsetOf(UnaryOperator *Node);
-
     void Visit(Stmt* S) {
       if (Helper && Helper->handledStmt(S,OS))
           return;
@@ -679,31 +676,6 @@ void StmtPrinter::VisitUnaryOperator(UnaryOperator *Node) {
     OS << UnaryOperator::getOpcodeStr(Node->getOpcode());
 }
 
-bool StmtPrinter::PrintOffsetOfDesignator(Expr *E) {
-  if (isa<UnaryOperator>(E)) {
-    // Base case, print the type and comma.
-    OS << E->getType().getAsString(Policy) << ", ";
-    return true;
-  } else if (ArraySubscriptExpr *ASE = dyn_cast<ArraySubscriptExpr>(E)) {
-    PrintOffsetOfDesignator(ASE->getLHS());
-    OS << "[";
-    PrintExpr(ASE->getRHS());
-    OS << "]";
-    return false;
-  } else {
-    MemberExpr *ME = cast<MemberExpr>(E);
-    bool IsFirst = PrintOffsetOfDesignator(ME->getBase());
-    OS << (IsFirst ? "" : ".") << ME->getMemberDecl();
-    return false;
-  }
-}
-
-void StmtPrinter::VisitUnaryOffsetOf(UnaryOperator *Node) {
-  OS << "__builtin_offsetof(";
-  PrintOffsetOfDesignator(Node->getSubExpr());
-  OS << ")";
-}
-
 void StmtPrinter::VisitOffsetOfExpr(OffsetOfExpr *Node) {
   OS << "__builtin_offsetof(";
   OS << Node->getTypeSourceInfo()->getType().getAsString(Policy) << ", ";