[clang] [CIR] Lower calls to trivial copy constructor to cir::CopyOp (PR #168281)

[Hendrik Hübner via cfe-commits]

================
@@ -1085,6 +1086,26 @@ void LoweringPreparePass::lowerArrayCtor(cir::ArrayCtor op) {
                              true);
 }
 
+void LoweringPreparePass::lowerTrivialCopyCall(cir::CallOp op) {
+  FuncOp funcOp = getCalledFunction(op);
+  if (!funcOp)
+    return;
+
+  std::optional<cir::CtorKind> ctorKind = funcOp.getCxxConstructorKind();
+  if (ctorKind && *ctorKind == cir::CtorKind::Copy &&
+      funcOp.isCxxTrivialMemberFunction()) {
+    llvm::outs() << "success \n";
----------------
HendrikHuebner wrote:

Whoops... yes :sweat_smile: 

https://github.com/llvm/llvm-project/pull/168281