File: no-jump-tables.rs

package info (click to toggle)
rustc 1.87.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 925,564 kB
  • sloc: xml: 158,127; python: 36,039; javascript: 19,761; sh: 19,737; cpp: 18,981; ansic: 13,133; asm: 4,376; makefile: 710; perl: 29; lisp: 28; ruby: 19; sql: 11
file content (23 lines) | stat: -rw-r--r-- 613 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
// Test that the `no-jump-tables` function attribute are (not) emitted when
// the `-Zno-jump-tables` flag is (not) set.

//@ add-core-stubs
//@ revisions: unset set
//@ needs-llvm-components: x86
//@ compile-flags: --target x86_64-unknown-linux-gnu
//@ [set] compile-flags: -Zno-jump-tables

#![crate_type = "lib"]
#![feature(no_core, lang_items)]
#![no_core]

extern crate minicore;
use minicore::*;

#[no_mangle]
pub fn foo() {
    // CHECK: @foo() unnamed_addr #0

    // unset-NOT: attributes #0 = { {{.*}}"no-jump-tables"="true"{{.*}} }
    // set: attributes #0 = { {{.*}}"no-jump-tables"="true"{{.*}} }
}