From 7aa2dd11430c51325382f27b836e200a6b09bfad Mon Sep 17 00:00:00 2001
From: Artyom Tetyukhin <51746822+arttet@users.noreply.github.com>
Date: Tue, 19 Dec 2023 16:31:14 +0400
Subject: [PATCH] Add pointer authentication intrinsics

---
 compiler/rustc_codegen_llvm/src/context.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs
index 3053c4e0daaa9..de62a4084e176 100644
--- a/compiler/rustc_codegen_llvm/src/context.rs
+++ b/compiler/rustc_codegen_llvm/src/context.rs
@@ -930,6 +930,14 @@ impl<'ll> CodegenCx<'ll, '_> {
         ifn!("llvm.va_end", fn(ptr) -> void);
         ifn!("llvm.va_copy", fn(ptr, ptr) -> void);
 
+        // pointer authentication intrinsics
+        ifn!("llvm.ptrauth.sign.i64", fn(t_i64, t_i32, t_i64) -> t_i64);
+        ifn!("llvm.ptrauth.auth.i64", fn(t_i64, t_i32, t_i64) -> t_i64);
+        ifn!("llvm.ptrauth.strip.i64", fn(t_i64, t_i32) -> t_i64);
+        ifn!("llvm.ptrauth.resign.i64", fn(t_i64, t_i32, t_i64, t_i32, t_i64) -> t_i64);
+        ifn!("llvm.ptrauth.sign_generic.i64", fn(t_i64, t_i64) -> t_i64);
+        ifn!("llvm.ptrauth.blend.i64", fn(t_i64, t_i64) -> t_i64);
+
         if self.sess().instrument_coverage() {
             ifn!("llvm.instrprof.increment", fn(ptr, t_i64, t_i32, t_i32) -> void);
         }