From 5c72974167405a37bd397788e3224d773efd9c46 Mon Sep 17 00:00:00 2001
From: gingerBill <bill@gingerbill.org>
Date: Wed, 25 May 2022 19:04:25 +0100
Subject: [PATCH] Simplify transmute for #simd

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

diff --git a/src/llvm_backend_utility.cpp b/src/llvm_backend_utility.cpp
index 037171637..bfd21bedb 100644
--- a/src/llvm_backend_utility.cpp
+++ b/src/llvm_backend_utility.cpp
@@ -201,6 +201,11 @@ lbValue lb_emit_transmute(lbProcedure *p, lbValue value, Type *t) {
 		return res;
 	}
 
+	if (is_type_simd_vector(src) && is_type_simd_vector(dst)) {
+		res.value = LLVMBuildBitCast(p->builder, value.value, lb_type(p->module, t), "");
+		return res;
+	}
+
 	if (lb_is_type_aggregate(src) || lb_is_type_aggregate(dst)) {
 		lbValue s = lb_address_from_load_or_generate_local(p, value);
 		lbValue d = lb_emit_transmute(p, s, alloc_type_pointer(t));