diff options
Diffstat (limited to 'tests/codegen/default-visibility.rs')
| -rw-r--r-- | tests/codegen/default-visibility.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/codegen/default-visibility.rs b/tests/codegen/default-visibility.rs index 884d386ec20..88ff9fee254 100644 --- a/tests/codegen/default-visibility.rs +++ b/tests/codegen/default-visibility.rs @@ -31,3 +31,19 @@ pub static tested_symbol: [u8; 6] = *b"foobar"; // PROTECTED: @{{.*}}default_visibility{{.*}}tested_symbol{{.*}} = protected constant // INTERPOSABLE: @{{.*}}default_visibility{{.*}}tested_symbol{{.*}} = constant // DEFAULT: @{{.*}}default_visibility{{.*}}tested_symbol{{.*}} = constant + +pub fn do_memcmp(left: &[u8], right: &[u8]) -> i32 { + left.cmp(right) as i32 +} + +// CHECK: define {{.*}} @{{.*}}do_memcmp{{.*}} { +// CHECK: } + +// `do_memcmp` should invoke core::intrinsic::compare_bytes which emits a call +// to the C symbol `memcmp` (at least on x86_64-unknown-linux-gnu). This symbol +// should *not* be declared hidden or protected. + +// HIDDEN: declare i32 @memcmp +// PROTECTED: declare i32 @memcmp +// INTERPOSABLE: declare i32 @memcmp +// DEFAULT: declare i32 @memcmp |