From d91fae90d0e73d3ed3146a765b6fb9d9d2d1f721 Mon Sep 17 00:00:00 2001
From: David Mak <david.18.19.21@gmail.com>
Date: Thu, 15 Aug 2024 12:08:10 +0800
Subject: [PATCH] WIP - [artiq] Double indirection?

---
 nac3artiq/src/codegen.rs | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/nac3artiq/src/codegen.rs b/nac3artiq/src/codegen.rs
index 0b76860a..6d2d9e42 100644
--- a/nac3artiq/src/codegen.rs
+++ b/nac3artiq/src/codegen.rs
@@ -549,6 +549,7 @@ fn format_rpc_ret<'ctx>(
     let llvm_i8 = ctx.ctx.i8_type();
     let llvm_i32 = ctx.ctx.i32_type();
     let llvm_pi8 = llvm_i8.ptr_type(AddressSpace::default());
+    let llvm_ppi8 = llvm_pi8.ptr_type(AddressSpace::default());
 
     let rpc_recv = ctx.module.get_function("rpc_recv").unwrap_or_else(|| {
         ctx.module.add_function("rpc_recv", llvm_i32.fn_type(&[llvm_pi8.into()], false), None)
@@ -667,10 +668,23 @@ fn format_rpc_ret<'ctx>(
                     //     .unwrap()
                     //     .into_pointer_value();
                     // ndarray.store_data(ctx, data_ptr);
+                    let data_addr = phi.as_basic_value().into_pointer_value();
+                    let data_addr = ctx
+                        .builder
+                        .build_load(
+                            ctx.builder
+                                .build_bitcast(data_addr, llvm_ppi8, "")
+                                .unwrap()
+                                .into_pointer_value(),
+                            "",
+                        )
+                        .unwrap()
+                        .into_pointer_value();
+
                     call_memcpy_generic(
                         ctx,
                         ndarray.ptr_to_data(ctx),
-                        phi.as_basic_value().into_pointer_value(),
+                        data_addr,
                         llvm_pdata_sizeof,
                         llvm_i1.const_zero(),
                     );