From 44d6f8ffd8eac02747fa0f915b925bb2112570dd Mon Sep 17 00:00:00 2001
From: Andrew Kelley <superjoe30@gmail.com>
Date: Sun, 23 Oct 2016 01:33:23 -0400
Subject: IR supports variable assignment

---
 src/codegen.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/codegen.cpp')

diff --git a/src/codegen.cpp b/src/codegen.cpp
index 8a81e62a1f..11e4903ded 100644
--- a/src/codegen.cpp
+++ b/src/codegen.cpp
@@ -2808,6 +2808,9 @@ static LLVMValueRef ir_render_decl_var(CodeGen *g, IrExecutable *executable,
     if (!type_has_bits(var->type))
         return nullptr;
 
+    if (var->ref_count == 0)
+        return nullptr;
+
     IrInstruction *init_value = decl_var_instruction->init_value;
 
     bool have_init_expr = false;
@@ -4348,6 +4351,8 @@ static void do_code_gen(CodeGen *g) {
             if (!type_has_bits(var->type)) {
                 continue;
             }
+            if (var->ref_count == 0)
+                continue;
 
             if (var->block_context->node->type == NodeTypeFnDef) {
                 assert(var->gen_arg_index != SIZE_MAX);
-- 
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