Implement basic code generation of constructor calls. We can now compile:
struct S {
S(int, int);
};
void f() {
S s(10, 10);
}
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69330 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGCXX.cpp b/lib/CodeGen/CGCXX.cpp
index f76bd12..e61cef3 100644
--- a/lib/CodeGen/CGCXX.cpp
+++ b/lib/CodeGen/CGCXX.cpp
@@ -145,6 +145,51 @@
SetLLVMFunctionAttributesForDefinition(D, Fn);
}
+void
+CodeGenFunction::EmitCXXConstructorCall(const CXXConstructorDecl *D,
+ CXXCtorType Type,
+ llvm::Value *This,
+ CallExpr::const_arg_iterator ArgBeg,
+ CallExpr::const_arg_iterator ArgEnd) {
+ CallArgList Args;
+
+ // Push the 'this' pointer.
+ Args.push_back(std::make_pair(RValue::get(This),
+ D->getThisType(getContext())));
+
+ EmitCallArgs(Args, D->getType()->getAsFunctionProtoType(), ArgBeg, ArgEnd);
+
+ EmitCall(CGM.getTypes().getFunctionInfo(getContext().VoidTy, Args),
+ CGM.GetAddrOfCXXConstructor(D, Type), Args, D);
+}
+
+LValue
+CodeGenFunction::EmitCXXTemporaryObjectExprLValue(
+ const CXXTemporaryObjectExpr *E) {
+ // Allocate the destination.
+ llvm::Value *Dest = CreateTempAlloca(ConvertType(E->getType()), "tmp");
+
+ EmitCXXTemporaryObjectExpr(Dest, E);
+
+ return LValue::MakeAddr(Dest, E->getType().getCVRQualifiers(),
+ getContext().getObjCGCAttrKind(E->getType()));
+}
+
+void
+CodeGenFunction::EmitCXXTemporaryObjectExpr(llvm::Value *Dest,
+ const CXXTemporaryObjectExpr *E) {
+ assert(Dest && "Must have a destination!");
+
+ const CXXRecordDecl *RD =
+ cast<CXXRecordDecl>(E->getType()->getAsRecordType()->getDecl());
+ if (RD->hasTrivialConstructor())
+ return;
+
+ // Call the constructor.
+ EmitCXXConstructorCall(E->getConstructor(), Ctor_Complete, Dest,
+ E->arg_begin(), E->arg_end());
+}
+
static bool canGenerateCXXConstructor(const CXXConstructorDecl *D,
ASTContext &Context) {
const CXXRecordDecl *RD = D->getParent();