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//@ compile-flags: -C panic=abort
// Test that `nounwind` attributes are also applied to extern `C-unwind` Rust functions
// when the code is compiled with `panic=abort`.
#![crate_type = "lib"]
#![feature(c_unwind)]
// CHECK: @rust_item_that_can_unwind() unnamed_addr [[ATTR0:#[0-9]+]]
#[no_mangle]
pub unsafe extern "C-unwind" fn rust_item_that_can_unwind() {
// Handle both legacy and v0 symbol mangling.
// CHECK: call void @{{.*core9panicking19panic_cannot_unwind}}
may_unwind();
}
extern "C-unwind" {
// CHECK: @may_unwind() unnamed_addr [[ATTR1:#[0-9]+]]
fn may_unwind();
}
// Now, make sure that the LLVM attributes for this functions are correct. First, make
// sure that the first item is correctly marked with the `nounwind` attribute:
//
// CHECK: attributes [[ATTR0]] = { {{.*}}nounwind{{.*}} }
//
// Now, check that foreign item is correctly marked without the `nounwind` attribute.
// CHECK-NOT: attributes [[ATTR1]] = { {{.*}}nounwind{{.*}} }
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