From a816a78e98bd60cee6fe8dc5d75cbce1642ec165 Mon Sep 17 00:00:00 2001
From: Christoffer Lerno <christoffer@aegik.com>
Date: Thu, 20 Nov 2025 12:09:38 +0100
Subject: [PATCH] Fix alignment.

---
 src/compiler/llvm_codegen_expr.c        |  7 ++++++-
 test/test_suite/safe/deref_absolute.c3t | 18 +++++++++++++++---
 2 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/src/compiler/llvm_codegen_expr.c b/src/compiler/llvm_codegen_expr.c
index 01a45747f..1dbcae5f9 100644
--- a/src/compiler/llvm_codegen_expr.c
+++ b/src/compiler/llvm_codegen_expr.c
@@ -2371,7 +2371,12 @@ static inline void llvm_emit_deref(GenContext *c, BEValue *value, Expr *inner, T
 	llvm_emit_expr(c, value, inner);
 	llvm_value_rvalue(c, value);
 	AlignSize alignment = type_abi_alignment(type);
-	if (safe_mode_enabled() && !expr_is_const(inner))
+	bool is_const = expr_is_const(inner);
+	if (is_const)
+	{
+		alignment = type_min_alignment(inner->const_expr.ptr, alignment);
+	}
+	if (safe_mode_enabled() && !is_const)
 	{
 		LLVMValueRef check = LLVMBuildICmp(c->builder, LLVMIntEQ, value->value, llvm_get_zero(c, inner->type), "checknull");
 		scratch_buffer_clear();
diff --git a/test/test_suite/safe/deref_absolute.c3t b/test/test_suite/safe/deref_absolute.c3t
index 7fb637894..2f4b66de4 100644
--- a/test/test_suite/safe/deref_absolute.c3t
+++ b/test/test_suite/safe/deref_absolute.c3t
@@ -1,6 +1,18 @@
-module main;
+// #target: macos-x64
+module test;
 
-fn void main()
+fn int main()
 {
     int x = *(int*)1;
-}
\ No newline at end of file
+    return 0;
+}
+
+/* #expect: test.ll
+
+define i32 @main() #0 {
+entry:
+  %x = alloca i32, align 4
+  %0 = load i32, ptr inttoptr (i64 1 to ptr), align 1
+  store i32 %0, ptr %x, align 4
+  ret i32 0
+}