diff options
Diffstat (limited to 'tests/codegen/ffi-const.rs')
-rw-r--r-- | tests/codegen/ffi-const.rs | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/codegen/ffi-const.rs b/tests/codegen/ffi-const.rs new file mode 100644 index 000000000..937205034 --- /dev/null +++ b/tests/codegen/ffi-const.rs @@ -0,0 +1,13 @@ +// compile-flags: -C no-prepopulate-passes +#![crate_type = "lib"] +#![feature(ffi_const)] + +pub fn bar() { unsafe { foo() } } + +extern "C" { + // CHECK-LABEL: declare{{.*}}void @foo() + // CHECK-SAME: [[ATTRS:#[0-9]+]] + // The attribute changed from `readnone` to `memory(none)` with LLVM 16.0. + // CHECK-DAG: attributes [[ATTRS]] = { {{.*}}{{readnone|memory\(none\)}}{{.*}} } + #[ffi_const] pub fn foo(); +} |