From 03e4c76dcffc35c660bbea602993828328fda7b2 Mon Sep 17 00:00:00 2001
From: Amanieu d'Antras <amanieu@gmail.com>
Date: Wed, 2 Nov 2022 18:47:58 +0000
Subject: asm: Work around LLVM bug on AArch64

Upstream issue: https://github.com/llvm/llvm-project/issues/58384

LLVM gets confused if we assign a 32-bit value to a 64-bit register, so
pass the 32-bit register name to LLVM in that case.
---
 src/test/ui/asm/aarch64/llvm-58384.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 src/test/ui/asm/aarch64/llvm-58384.rs

(limited to 'src')

diff --git a/src/test/ui/asm/aarch64/llvm-58384.rs b/src/test/ui/asm/aarch64/llvm-58384.rs
new file mode 100644
index 00000000000..308f7890829
--- /dev/null
+++ b/src/test/ui/asm/aarch64/llvm-58384.rs
@@ -0,0 +1,16 @@
+// only-aarch64
+// run-pass
+// needs-asm-support
+
+// Test that we properly work around this LLVM issue:
+// https://github.com/llvm/llvm-project/issues/58384
+
+use std::arch::asm;
+
+fn main() {
+    let a: i32;
+    unsafe {
+        asm!("", inout("x0") 435 => a);
+    }
+    assert_eq!(a, 435);
+}
-- 
cgit 1.4.1-3-g733a5