From e9dacd97e2866f6abf67e939a6c8bb949a3b2e36 Mon Sep 17 00:00:00 2001
From: Alexey Prokhin <alexey.prokhin@yandex.ru>
Date: Thu, 6 Jan 2011 17:07:44 +0300
Subject: [PATCH] Fixed passing of structs and static arrays into functions.

Not sure if it is correct, though.
---
 gen/functions.cpp | 5 ++++-
 ir/irfunction.cpp | 7 ++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/gen/functions.cpp b/gen/functions.cpp
index 90c699ee..02dbe2e6 100644
--- a/gen/functions.cpp
+++ b/gen/functions.cpp
@@ -752,8 +752,11 @@ void DtoDefineFunction(FuncDeclaration* fd)
 
             bool refout = vd->storage_class & (STCref | STCout);
             bool lazy = vd->storage_class & STClazy;
-
+#if DMDV2
+            if (!refout)
+#else
             if (!refout && (!f->fty.args[i]->byref || lazy))
+#endif
             {
                 // alloca a stack slot for this first class value arg
                 const LLType* argt;
diff --git a/ir/irfunction.cpp b/ir/irfunction.cpp
index 518c85eb..575edffc 100644
--- a/ir/irfunction.cpp
+++ b/ir/irfunction.cpp
@@ -86,7 +86,12 @@ void IrFuncTy::getParam(Type* dty, int idx, DValue* val, llvm::Value* lval)
         return;
     }
 
-    DtoStore(val->getRVal(), lval);
+    LLValue *rval = val->getRVal();
+#if DMDV2
+    if (DtoIsPassedByRef(val->type))
+        rval = DtoLoad(rval);
+#endif
+    DtoStore(rval, lval);
 }
 
 //////////////////////////////////////////////////////////////////////////////