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| author | Guy Shefy <guyshefyb@gmail.com> | 2024-03-30 16:33:18 +0300 |
|---|---|---|
| committer | Guy Shefy <guyshefyb@gmail.com> | 2024-04-12 15:29:39 +0300 |
| commit | 9139d7252de74c30539afb35dc05e3536456971b (patch) | |
| tree | 513f875f3779e936a668131716ab43b908ba8018 /tests/codegen | |
| parent | 8df7e723ea729a7f917501cc2d91d640b7021373 (diff) | |
| download | rust-9139d7252de74c30539afb35dc05e3536456971b.tar.gz rust-9139d7252de74c30539afb35dc05e3536456971b.zip | |
do not add prolog for variadic naked functions
fixes #99858
Diffstat (limited to 'tests/codegen')
| -rw-r--r-- | tests/codegen/cffi/c-variadic-naked.rs | 19 | ||||
| -rw-r--r-- | tests/codegen/naked-fn/naked-functions.rs | 2 |
2 files changed, 20 insertions, 1 deletions
diff --git a/tests/codegen/cffi/c-variadic-naked.rs b/tests/codegen/cffi/c-variadic-naked.rs new file mode 100644 index 00000000000..807873ea368 --- /dev/null +++ b/tests/codegen/cffi/c-variadic-naked.rs @@ -0,0 +1,19 @@ +//@ needs-asm-support +//@ only-x86_64 + +// tests that `va_start` is not injected into naked functions + +#![crate_type = "lib"] +#![feature(c_variadic)] +#![feature(naked_functions)] +#![no_std] + +#[naked] +pub unsafe extern "C" fn c_variadic(_: usize, _: ...) { + // CHECK-NOT: va_start + // CHECK-NOT: alloca + core::arch::asm! { + "ret", + options(noreturn), + } +} diff --git a/tests/codegen/naked-fn/naked-functions.rs b/tests/codegen/naked-fn/naked-functions.rs index 755dd155112..3c426825537 100644 --- a/tests/codegen/naked-fn/naked-functions.rs +++ b/tests/codegen/naked-fn/naked-functions.rs @@ -19,7 +19,7 @@ pub unsafe extern "C" fn naked_empty() { } // CHECK: Function Attrs: naked -// CHECK-NEXT: define{{.*}}i{{[0-9]+}} @naked_with_args_and_return(i64 %a, i64 %b) +// CHECK-NEXT: define{{.*}}i{{[0-9]+}} @naked_with_args_and_return(i64 %0, i64 %1) #[no_mangle] #[naked] pub unsafe extern "C" fn naked_with_args_and_return(a: isize, b: isize) -> isize { |