mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-23 07:14:28 +00:00
21 lines
454 B
Rust
21 lines
454 B
Rust
//@ compile-flags: -O
|
|
//@ min-llvm-version: 19
|
|
|
|
// Test for #107681.
|
|
// Make sure we don't create `br` or `select` instructions.
|
|
|
|
#![crate_type = "lib"]
|
|
|
|
use std::iter::Copied;
|
|
use std::slice::Iter;
|
|
|
|
#[no_mangle]
|
|
pub unsafe fn foo(x: &mut Copied<Iter<'_, u32>>) -> u32 {
|
|
// CHECK-LABEL: @foo(
|
|
// CHECK-NOT: br
|
|
// CHECK-NOT: select
|
|
// CHECK: [[RET:%.*]] = load i32, ptr
|
|
// CHECK-NEXT: ret i32 [[RET]]
|
|
x.next().unwrap_unchecked()
|
|
}
|