Save a copy expression for non-trivial copy constructions of catch variables.

llvm-svn: 125661

1 files changed, 8 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp
index 049aeeeebb8..56a9107a82c 100644
--- a/clang/lib/CodeGen/CGExpr.cpp
+++ b/clang/lib/CodeGen/CGExpr.cpp
@@ -583,6 +583,8 @@ LValue CodeGenFunction::EmitLValue(const Expr *E) {
     return EmitConditionalOperatorLValue(cast<ConditionalOperator>(E));
   case Expr::ChooseExprClass:
     return EmitLValue(cast<ChooseExpr>(E)->getChosenSubExpr(getContext()));
+  case Expr::OpaqueValueExprClass:
+    return EmitOpaqueValueLValue(cast<OpaqueValueExpr>(E));
   case Expr::ImplicitCastExprClass:
   case Expr::CStyleCastExprClass:
   case Expr::CXXFunctionalCastExprClass:
@@ -1888,6 +1890,12 @@ LValue CodeGenFunction::EmitNullInitializationLValue(
   return LV;
 }
 
+LValue CodeGenFunction::EmitOpaqueValueLValue(const OpaqueValueExpr *e) {
+  assert(e->isGLValue() || e->getType()->isRecordType());
+  llvm::Value *value = getOpaqueValueMapping(e);
+  return MakeAddrLValue(value, e->getType());
+}
+
 //===--------------------------------------------------------------------===//
 //                             Expression Emission
 //===--------------------------------------------------------------------===//