Zap unused UnaryOperator::OffsetOf.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110996 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 1 insertions, 23 deletions

diff --git a/lib/Checker/CheckerHelpers.cpp b/lib/Checker/CheckerHelpers.cpp
index e3cb36b00c..ece69435ca 100644
--- a/lib/Checker/CheckerHelpers.cpp
+++ b/lib/Checker/CheckerHelpers.cpp
@@ -67,11 +67,6 @@ bool clang::containsStaticLocal(const Stmt *S) {
 
 // Recursively find any substatements containing __builtin_offsetof
 bool clang::containsBuiltinOffsetOf(const Stmt *S) {
-  const UnaryOperator *UO = dyn_cast<UnaryOperator>(S);
-
-  if (UO && UO->getOpcode() == UnaryOperator::OffsetOf)
-    return true;
-
   if (isa<OffsetOfExpr>(S))
     return true;
 
diff --git a/lib/Checker/GRExprEngine.cpp b/lib/Checker/GRExprEngine.cpp
index 1f6c266e3a..98d2bf1b08 100644
--- a/lib/Checker/GRExprEngine.cpp
+++ b/lib/Checker/GRExprEngine.cpp
@@ -2910,22 +2910,6 @@ void GRExprEngine::VisitUnaryOperator(const UnaryOperator* U,
 
       return;
     }
-
-    case UnaryOperator::OffsetOf: {
-      Expr::EvalResult Res;
-      if (U->Evaluate(Res, getContext()) && Res.Val.isInt()) {
-          const APSInt &IV = Res.Val.getInt();
-          assert(IV.getBitWidth() == getContext().getTypeSize(U->getType()));
-          assert(U->getType()->isIntegerType());
-          assert(IV.isSigned() == U->getType()->isSignedIntegerType());
-          SVal X = ValMgr.makeIntVal(IV);
-          MakeNode(Dst, U, Pred, GetState(Pred)->BindExpr(U, X));
-          return;
-        }
-      // FIXME: Handle the case where __builtin_offsetof is not a constant.
-      Dst.Add(Pred);
-      return;
-    }
       
     case UnaryOperator::Plus: assert(!asLValue);  // FALL-THROUGH.
     case UnaryOperator::Extension: {
diff --git a/lib/Checker/IdempotentOperationChecker.cpp b/lib/Checker/IdempotentOperationChecker.cpp
index 9866c6096e..74f4a62ccc 100644
--- a/lib/Checker/IdempotentOperationChecker.cpp
+++ b/lib/Checker/IdempotentOperationChecker.cpp
@@ -540,10 +540,9 @@ bool IdempotentOperationChecker::CanVary(const Expr *Ex, ASTContext &Ctx) {
    }
   case Stmt::UnaryOperatorClass: {
     const UnaryOperator *U = cast<const UnaryOperator>(Ex);
-    // Handle two trivial cases first
+    // Handle trivial case first
     switch (U->getOpcode()) {
     case UnaryOperator::Extension:
-    case UnaryOperator::OffsetOf:
       return false;
     default:
       return CanVary(U->getSubExpr(), Ctx);