ir-gen for generation of trvial copy constructor
call.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79034 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGCXX.cpp b/lib/CodeGen/CGCXX.cpp
index 04da0ee..a36c887 100644
--- a/lib/CodeGen/CGCXX.cpp
+++ b/lib/CodeGen/CGCXX.cpp
@@ -338,6 +338,19 @@
llvm::Value *This,
CallExpr::const_arg_iterator ArgBeg,
CallExpr::const_arg_iterator ArgEnd) {
+ if (D->isCopyConstructor(getContext())) {
+ const CXXRecordDecl *ClassDecl = cast<CXXRecordDecl>(D->getDeclContext());
+ if (ClassDecl->hasTrivialCopyConstructor()) {
+ assert(!ClassDecl->hasUserDeclaredCopyConstructor() &&
+ "EmitCXXConstructorCall - user declared copy constructor");
+ const Expr *E = (*ArgBeg);
+ QualType Ty = E->getType();
+ llvm::Value *Src = EmitLValue(E).getAddress();
+ EmitAggregateCopy(This, Src, Ty);
+ return;
+ }
+ }
+
llvm::Value *Callee = CGM.GetAddrOfCXXConstructor(D, Type);
EmitCXXMemberCall(D, Callee, This, ArgBeg, ArgEnd);