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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
commit | a4b7ed7a42c716ab9f05e351f003d589124fd55d (patch) | |
tree | b620cd3f223850b28716e474e80c58059dca5dd4 /tests/codegen/unwind-abis/aapcs-unwind-abi.rs | |
parent | Adding upstream version 1.67.1+dfsg1. (diff) | |
download | rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip |
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/codegen/unwind-abis/aapcs-unwind-abi.rs')
-rw-r--r-- | tests/codegen/unwind-abis/aapcs-unwind-abi.rs | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/codegen/unwind-abis/aapcs-unwind-abi.rs b/tests/codegen/unwind-abis/aapcs-unwind-abi.rs new file mode 100644 index 000000000..c092e28a0 --- /dev/null +++ b/tests/codegen/unwind-abis/aapcs-unwind-abi.rs @@ -0,0 +1,31 @@ +// needs-llvm-components: arm +// compile-flags: --target=armv7-unknown-linux-gnueabihf --crate-type=rlib -Cno-prepopulate-passes +#![no_core] +#![feature(no_core, lang_items, c_unwind)] +#[lang="sized"] +trait Sized { } + +// Test that `nounwind` attributes are correctly applied to exported `aapcs` and +// `aapcs-unwind` extern functions. `aapcs-unwind` functions MUST NOT have this attribute. We +// disable optimizations above to prevent LLVM from inferring the attribute. + +// CHECK: @rust_item_that_cannot_unwind() unnamed_addr #0 { +#[no_mangle] +pub extern "aapcs" fn rust_item_that_cannot_unwind() { +} + +// CHECK: @rust_item_that_can_unwind() unnamed_addr #1 { +#[no_mangle] +pub extern "aapcs-unwind" fn rust_item_that_can_unwind() { +} + +// Now, make some assertions that the LLVM attributes for these functions are correct. First, make +// sure that the first item is correctly marked with the `nounwind` attribute: +// +// CHECK: attributes #0 = { {{.*}}nounwind{{.*}} } +// +// Next, let's assert that the second item, which CAN unwind, does not have this attribute. +// +// CHECK: attributes #1 = { +// CHECK-NOT: nounwind +// CHECK: } |