From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- .../unwind-abis/c-unwind-abi-panic-abort.rs | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 tests/codegen/unwind-abis/c-unwind-abi-panic-abort.rs (limited to 'tests/codegen/unwind-abis/c-unwind-abi-panic-abort.rs') diff --git a/tests/codegen/unwind-abis/c-unwind-abi-panic-abort.rs b/tests/codegen/unwind-abis/c-unwind-abi-panic-abort.rs new file mode 100644 index 000000000..ea5bae18e --- /dev/null +++ b/tests/codegen/unwind-abis/c-unwind-abi-panic-abort.rs @@ -0,0 +1,28 @@ +// 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{{.*}} } -- cgit v1.2.3