From 4547b622d8d29df964fa2914213088b148c498fc Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:18:32 +0200
Subject: Merging upstream version 1.67.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/mir-opt/inline/inline_instruction_set.rs | 61 +++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 src/test/mir-opt/inline/inline_instruction_set.rs

(limited to 'src/test/mir-opt/inline/inline_instruction_set.rs')

diff --git a/src/test/mir-opt/inline/inline_instruction_set.rs b/src/test/mir-opt/inline/inline_instruction_set.rs
new file mode 100644
index 000000000..5dfb04943
--- /dev/null
+++ b/src/test/mir-opt/inline/inline_instruction_set.rs
@@ -0,0 +1,61 @@
+// Checks that only functions with the compatible instruction_set attributes are inlined.
+//
+// A function is "compatible" when the *callee* has the same attribute or no attribute.
+//
+// compile-flags: --target thumbv4t-none-eabi
+// needs-llvm-components: arm
+
+#![crate_type = "lib"]
+#![feature(rustc_attrs)]
+#![feature(no_core, lang_items)]
+#![feature(isa_attribute)]
+#![no_core]
+
+#[rustc_builtin_macro]
+#[macro_export]
+macro_rules! asm {
+    ("assembly template",
+        $(operands,)*
+        $(options($(option),*))?
+    ) => {
+        /* compiler built-in */
+    };
+}
+
+#[lang = "sized"]
+trait Sized {}
+#[lang = "copy"]
+trait Copy {}
+
+#[instruction_set(arm::a32)]
+#[inline]
+fn instruction_set_a32() {}
+
+#[instruction_set(arm::t32)]
+#[inline]
+fn instruction_set_t32() {}
+
+#[inline]
+fn instruction_set_default() {}
+
+#[inline(always)]
+fn inline_always_and_using_inline_asm() {
+    unsafe { asm!("/* do nothing */") };
+}
+
+// EMIT_MIR inline_instruction_set.t32.Inline.diff
+#[instruction_set(arm::t32)]
+pub fn t32() {
+    instruction_set_a32();
+    instruction_set_t32();
+    instruction_set_default();
+    inline_always_and_using_inline_asm();
+}
+
+// EMIT_MIR inline_instruction_set.default.Inline.diff
+pub fn default() {
+    instruction_set_a32();
+    instruction_set_t32();
+    instruction_set_default();
+    inline_always_and_using_inline_asm();
+}
-- 
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