diff options
Diffstat (limited to 'lib/CodeGen/CGCXX.cpp')
-rw-r--r-- | lib/CodeGen/CGCXX.cpp | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/lib/CodeGen/CGCXX.cpp b/lib/CodeGen/CGCXX.cpp index 3960cf5..cfa669d 100644 --- a/lib/CodeGen/CGCXX.cpp +++ b/lib/CodeGen/CGCXX.cpp @@ -590,12 +590,15 @@ void CodeGenFunction::EmitCXXConstructExpr(llvm::Value *Dest, const CXXConstructExpr *E) { assert(Dest && "Must have a destination!"); - - const CXXRecordDecl *RD = - cast<CXXRecordDecl>(E->getType()->getAs<RecordType>()->getDecl()); - if (RD->hasTrivialConstructor()) + const CXXConstructorDecl *CD = E->getConstructor(); + // For a copy constructor, even if it is trivial, must fall thru so + // its argument is code-gen'ed. + if (!CD->isCopyConstructor(getContext())) { + const CXXRecordDecl *RD = + cast<CXXRecordDecl>(E->getType()->getAs<RecordType>()->getDecl()); + if (RD->hasTrivialConstructor()) return; - + } // Code gen optimization to eliminate copy constructor and return // its first argument instead. if (getContext().getLangOptions().ElideConstructors && E->isElidable()) { @@ -604,7 +607,7 @@ CodeGenFunction::EmitCXXConstructExpr(llvm::Value *Dest, return; } // Call the constructor. - EmitCXXConstructorCall(E->getConstructor(), Ctor_Complete, Dest, + EmitCXXConstructorCall(CD, Ctor_Complete, Dest, E->arg_begin(), E->arg_end()); } |