Mark condition/carry bit as clobbered in C-SKY inline assembly

1 files changed, 24 insertions, 0 deletions

diff --git a/tests/codegen/asm/csky-clobbers.rs b/tests/codegen/asm/csky-clobbers.rs
new file mode 100644
index 00000000000..4986d0fe56d
--- /dev/null
+++ b/tests/codegen/asm/csky-clobbers.rs
@@ -0,0 +1,24 @@
+//@ add-core-stubs
+//@ compile-flags: --target csky-unknown-linux-gnuabiv2
+//@ needs-llvm-components: csky
+
+#![crate_type = "rlib"]
+#![feature(no_core, asm_experimental_arch)]
+#![no_core]
+
+extern crate minicore;
+use minicore::*;
+
+// CHECK-LABEL: @flags_clobber
+// CHECK: call void asm sideeffect "", "~{psr}"()
+#[no_mangle]
+pub unsafe fn flags_clobber() {
+    asm!("", options(nostack, nomem));
+}
+
+// CHECK-LABEL: @no_clobber
+// CHECK: call void asm sideeffect "", ""()
+#[no_mangle]
+pub unsafe fn no_clobber() {
+    asm!("", options(nostack, nomem, preserves_flags));
+}