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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
commit64d98f8ee037282c35007b64c2649055c56af1db (patch)
tree5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/codegen/auxiliary
parentAdding debian version 1.67.1+dfsg1-1. (diff)
downloadrustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz
rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/codegen/auxiliary')
-rw-r--r--tests/codegen/auxiliary/extern_decl.rs11
-rw-r--r--tests/codegen/auxiliary/nounwind.rs3
-rw-r--r--tests/codegen/auxiliary/static_dllimport_aux.rs13
-rw-r--r--tests/codegen/auxiliary/thread_local_aux.rs5
4 files changed, 32 insertions, 0 deletions
diff --git a/tests/codegen/auxiliary/extern_decl.rs b/tests/codegen/auxiliary/extern_decl.rs
new file mode 100644
index 000000000..edc483518
--- /dev/null
+++ b/tests/codegen/auxiliary/extern_decl.rs
@@ -0,0 +1,11 @@
+// Auxiliary crate that exports a function and static. Both always
+// evaluate to `71`. We force mutability on the static to prevent
+// it from being inlined as constant.
+
+#![crate_type = "lib"]
+
+#[no_mangle]
+pub fn extern_fn() -> u8 { unsafe { extern_static } }
+
+#[no_mangle]
+pub static mut extern_static: u8 = 71;
diff --git a/tests/codegen/auxiliary/nounwind.rs b/tests/codegen/auxiliary/nounwind.rs
new file mode 100644
index 000000000..73c5aee33
--- /dev/null
+++ b/tests/codegen/auxiliary/nounwind.rs
@@ -0,0 +1,3 @@
+#[no_mangle]
+pub fn bar() {
+}
diff --git a/tests/codegen/auxiliary/static_dllimport_aux.rs b/tests/codegen/auxiliary/static_dllimport_aux.rs
new file mode 100644
index 000000000..afb0dc42f
--- /dev/null
+++ b/tests/codegen/auxiliary/static_dllimport_aux.rs
@@ -0,0 +1,13 @@
+use std::sync::atomic::{AtomicPtr, Ordering};
+
+#[inline(always)]
+pub fn memrchr() {
+ fn detect() {}
+
+ static CROSS_CRATE_STATIC_ITEM: AtomicPtr<()> = AtomicPtr::new(detect as *mut ());
+
+ unsafe {
+ let fun = CROSS_CRATE_STATIC_ITEM.load(Ordering::SeqCst);
+ std::mem::transmute::<*mut (), fn()>(fun)()
+ }
+}
diff --git a/tests/codegen/auxiliary/thread_local_aux.rs b/tests/codegen/auxiliary/thread_local_aux.rs
new file mode 100644
index 000000000..bebaa7754
--- /dev/null
+++ b/tests/codegen/auxiliary/thread_local_aux.rs
@@ -0,0 +1,5 @@
+#![crate_type = "lib"]
+
+use std::cell::Cell;
+
+thread_local!(pub static A: Cell<u64> = const { Cell::new(0) });