38 lines
902 B
Rust
38 lines
902 B
Rust
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//@ revisions: hexagon
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//@[hexagon] compile-flags: --target hexagon-unknown-linux-musl
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//@[hexagon] needs-llvm-components: hexagon
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//@ compile-flags: -Zmerge-functions=disabled
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#![crate_type = "rlib"]
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#![feature(no_core, rustc_attrs, lang_items, asm_experimental_arch)]
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#![no_core]
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#[lang = "sized"]
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trait Sized {}
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#[rustc_builtin_macro]
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macro_rules! asm {
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() => {};
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}
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// CHECK-LABEL: @flags_clobber
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// CHECK: call void asm sideeffect "", ""()
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#[no_mangle]
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pub unsafe fn flags_clobber() {
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asm!("", options(nostack, nomem));
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}
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// CHECK-LABEL: @no_clobber
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// CHECK: call void asm sideeffect "", ""()
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#[no_mangle]
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pub unsafe fn no_clobber() {
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asm!("", options(nostack, nomem, preserves_flags));
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}
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// CHECK-LABEL: @p0_clobber
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// CHECK: call void asm sideeffect "", "~{p0}"()
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#[no_mangle]
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pub unsafe fn p0_clobber() {
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asm!("", out("p0") _, options(nostack, nomem, preserves_flags));
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}
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