From a4b7ed7a42c716ab9f05e351f003d589124fd55d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:18:58 +0200 Subject: Adding upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/codegen/naked-functions.rs | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 tests/codegen/naked-functions.rs (limited to 'tests/codegen/naked-functions.rs') diff --git a/tests/codegen/naked-functions.rs b/tests/codegen/naked-functions.rs new file mode 100644 index 000000000..e05bbc26e --- /dev/null +++ b/tests/codegen/naked-functions.rs @@ -0,0 +1,32 @@ +// compile-flags: -C no-prepopulate-passes -Copt-level=0 +// needs-asm-support +// only-x86_64 + +#![crate_type = "lib"] +#![feature(naked_functions)] +use std::arch::asm; + +// CHECK: Function Attrs: naked +// CHECK-NEXT: define{{.*}}void @naked_empty() +#[no_mangle] +#[naked] +pub unsafe extern "C" fn naked_empty() { + // CHECK-NEXT: {{.+}}: + // CHECK-NEXT: call void asm + // CHECK-NEXT: unreachable + asm!("ret", + options(noreturn)); +} + +// CHECK: Function Attrs: naked +// CHECK-NEXT: define{{.*}}i{{[0-9]+}} @naked_with_args_and_return(i64 %a, i64 %b) +#[no_mangle] +#[naked] +pub unsafe extern "C" fn naked_with_args_and_return(a: isize, b: isize) -> isize { + // CHECK-NEXT: {{.+}}: + // CHECK-NEXT: call void asm + // CHECK-NEXT: unreachable + asm!("lea rax, [rdi + rsi]", + "ret", + options(noreturn)); +} -- cgit v1.2.3