diff options
Diffstat (limited to 'tests/codegen-llvm/some-global-nonnull.rs')
| -rw-r--r-- | tests/codegen-llvm/some-global-nonnull.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/codegen-llvm/some-global-nonnull.rs b/tests/codegen-llvm/some-global-nonnull.rs new file mode 100644 index 00000000000..bb4d12e1c76 --- /dev/null +++ b/tests/codegen-llvm/some-global-nonnull.rs @@ -0,0 +1,25 @@ +//@ compile-flags: -Copt-level=3 + +#![crate_type = "lib"] + +// CHECK-LABEL: @test +// CHECK-NEXT: start: +// CHECK-NEXT: tail call void @ext_fn0() +#[no_mangle] +pub fn test() { + test_inner(Some(inner0)); +} + +fn test_inner(f_maybe: Option<fn()>) { + if let Some(f) = f_maybe { + f(); + } +} + +fn inner0() { + unsafe { ext_fn0() }; +} + +extern "C" { + fn ext_fn0(); +} |
