mirror of https://github.com/rust-lang/rust
48 lines
1.2 KiB
Rust
48 lines
1.2 KiB
Rust
//@ revisions: COMPAT INCOMPAT
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//@ needs-llvm-components: x86
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//@ compile-flags: --target=x86_64-unknown-linux-gnu -Copt-level=3
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//@ [COMPAT] compile-flags: -Ctarget-feature=+avx2,+avx
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//@ [INCOMPAT] compile-flags: -Ctarget-feature=-avx2,-avx
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// See also tests/assembly/target-feature-multiple.rs
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#![feature(no_core, lang_items)]
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#![crate_type = "lib"]
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#![no_core]
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#[lang = "sized"]
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trait Sized {}
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#[lang = "copy"]
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trait Copy {}
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extern "C" {
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fn peach() -> u32;
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}
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#[inline]
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#[target_feature(enable = "avx")]
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#[no_mangle]
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pub unsafe fn apple() -> u32 {
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// CHECK-LABEL: @apple()
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// CHECK-SAME: [[APPLEATTRS:#[0-9]+]] {
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// CHECK: {{.*}}call{{.*}}@peach
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peach()
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}
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// target features same as global
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#[no_mangle]
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pub unsafe fn banana() -> u32 {
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// CHECK-LABEL: @banana()
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// CHECK-SAME: [[BANANAATTRS:#[0-9]+]] {
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// COMPAT: {{.*}}call{{.*}}@peach
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// INCOMPAT: {{.*}}call{{.*}}@apple
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apple() // Compatible for inline in COMPAT revision and can't be inlined in INCOMPAT
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}
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// CHECK: attributes [[APPLEATTRS]]
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// COMPAT-SAME: "target-features"="+avx2,+avx,+avx"
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// INCOMPAT-SAME: "target-features"="-avx2,-avx,+avx"
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// CHECK: attributes [[BANANAATTRS]]
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// COMPAT-SAME: "target-features"="+avx2,+avx"
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// INCOMPAT-SAME: "target-features"="-avx2,-avx"
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