21 lines
505 B
Rust
21 lines
505 B
Rust
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//@ compile-flags: -C no-prepopulate-passes -Copt-level=0
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//@ needs-asm-support
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//@ ignore-arm no "ret" mnemonic
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#![crate_type = "lib"]
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#![feature(naked_functions, fn_align)]
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use std::arch::asm;
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// CHECK: Function Attrs: naked
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// CHECK-NEXT: define{{.*}}void @naked_empty()
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// CHECK: align 16
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#[repr(align(16))]
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#[no_mangle]
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#[naked]
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pub unsafe extern "C" fn naked_empty() {
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// CHECK-NEXT: start:
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// CHECK-NEXT: call void asm
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// CHECK-NEXT: unreachable
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asm!("ret", options(noreturn));
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}
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