Add Expr::EvaluateAsLValue which will (believe it or not) try to evaluate an Expr as an LValue.

llvm-svn: 68763

1 files changed, 6 insertions, 0 deletions

diff --git a/clang/lib/AST/ExprConstant.cpp b/clang/lib/AST/ExprConstant.cpp
index 643e066c7b4..327fff0c0b1 100644
--- a/clang/lib/AST/ExprConstant.cpp
+++ b/clang/lib/AST/ExprConstant.cpp
@@ -1651,6 +1651,12 @@ bool Expr::Evaluate(EvalResult &Result, ASTContext &Ctx) const {
   return true;
 }
 
+bool Expr::EvaluateAsLValue(EvalResult &Result, ASTContext &Ctx) const {
+  EvalInfo Info(Ctx, Result);
+
+  return EvaluateLValue(this, Result.Val, Info) && !Result.HasSideEffects;
+}
+
 /// isEvaluatable - Call Evaluate to see if this expression can be constant
 /// folded, but discard the result.
 bool Expr::isEvaluatable(ASTContext &Ctx) const {