38 lines
805 B
Rust
38 lines
805 B
Rust
// skip-filecheck
|
|
//@ compile-flags: -O -Zmir-opt-level=2 -g
|
|
//@ needs-unwind
|
|
|
|
#![crate_type = "lib"]
|
|
|
|
pub fn int_range(start: usize, end: usize) {
|
|
for i in start..end {
|
|
opaque(i)
|
|
}
|
|
}
|
|
|
|
pub fn mapped<T, U>(iter: impl Iterator<Item = T>, f: impl Fn(T) -> U) {
|
|
for x in iter.map(f) {
|
|
opaque(x)
|
|
}
|
|
}
|
|
|
|
pub fn filter_mapped<T, U>(iter: impl Iterator<Item = T>, f: impl Fn(T) -> Option<U>) {
|
|
for x in iter.filter_map(f) {
|
|
opaque(x)
|
|
}
|
|
}
|
|
|
|
pub fn vec_move(mut v: Vec<impl Sized>) {
|
|
for x in v {
|
|
opaque(x)
|
|
}
|
|
}
|
|
|
|
#[inline(never)]
|
|
fn opaque(_: impl Sized) {}
|
|
|
|
// EMIT_MIR loops.int_range.PreCodegen.after.mir
|
|
// EMIT_MIR loops.mapped.PreCodegen.after.mir
|
|
// EMIT_MIR loops.filter_mapped.PreCodegen.after.mir
|
|
// EMIT_MIR loops.vec_move.PreCodegen.after.mir
|