summaryrefslogtreecommitdiffstats
path: root/tests/codegen/target-feature-overrides.rs
blob: 1bebf66f0df43f89c5f045924b6a33852da766ae (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
// revisions: COMPAT INCOMPAT
// needs-llvm-components: x86
// compile-flags: --target=x86_64-unknown-linux-gnu -Copt-level=3
// [COMPAT] compile-flags: -Ctarget-feature=+avx2,+avx
// [INCOMPAT] compile-flags: -Ctarget-feature=-avx2,-avx

// See also tests/assembly/target-feature-multiple.rs
#![feature(no_core, lang_items)]
#![crate_type = "lib"]
#![no_core]


#[lang = "sized"]
trait Sized {}
#[lang = "copy"]
trait Copy {}

extern "C" {
    fn peach() -> u32;
}

#[inline]
#[target_feature(enable = "avx")]
#[no_mangle]
pub unsafe fn apple() -> u32 {
// CHECK-LABEL: @apple()
// CHECK-SAME: [[APPLEATTRS:#[0-9]+]] {
// CHECK: {{.*}}call{{.*}}@peach
    peach()
}

// target features same as global
#[no_mangle]
pub unsafe fn banana() -> u32 {
// CHECK-LABEL: @banana()
// CHECK-SAME: [[BANANAATTRS:#[0-9]+]] {
// COMPAT: {{.*}}call{{.*}}@peach
// INCOMPAT: {{.*}}call{{.*}}@apple
    apple() // Compatible for inline in COMPAT revision and can't be inlined in INCOMPAT
}

// CHECK: attributes [[APPLEATTRS]]
// COMPAT-SAME: "target-features"="+avx2,+avx,+avx"
// INCOMPAT-SAME: "target-features"="-avx2,-avx,+avx"
// CHECK: attributes [[BANANAATTRS]]
// COMPAT-SAME: "target-features"="+avx2,+avx"
// INCOMPAT-SAME: "target-features"="-avx2,-avx"