From 0dc13d7acb0118d6c14a9209d921e5278e829458 Mon Sep 17 00:00:00 2001
From: bjorn3 <17426603+bjorn3@users.noreply.github.com>
Date: Tue, 9 Jan 2024 14:16:09 +0100
Subject: [PATCH] Implement _mm_prefetch as nop

---
 src/intrinsics/llvm.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/intrinsics/llvm.rs b/src/intrinsics/llvm.rs
index a38a728c926..9c686eba5e0 100644
--- a/src/intrinsics/llvm.rs
+++ b/src/intrinsics/llvm.rs
@@ -35,6 +35,10 @@ pub(crate) fn codegen_llvm_intrinsic_call<'tcx>(
     }
 
     match intrinsic {
+        "llvm.prefetch" => {
+            // Nothing to do. This is merely a perf hint.
+        }
+
         _ if intrinsic.starts_with("llvm.ctlz.v") => {
             intrinsic_args!(fx, args => (a); intrinsic);