rust/tests/mir-opt/building/match/match_false_edges.rs

41 lines
909 B
Rust

// skip-filecheck
fn guard() -> bool {
false
}
fn guard2(_: i32) -> bool {
true
}
// no_mangle to make sure this gets instantiated even in an executable.
#[no_mangle]
// EMIT_MIR match_false_edges.full_tested_match.built.after.mir
pub fn full_tested_match() {
let _ = match Some(42) {
Some(x) if guard() => (1, x),
Some(y) => (2, y),
None => (3, 3),
};
}
// no_mangle to make sure this gets instantiated even in an executable.
#[no_mangle]
// EMIT_MIR match_false_edges.full_tested_match2.built.after.mir
pub fn full_tested_match2() {
let _ = match Some(42) {
Some(x) if guard() => (1, x),
None => (3, 3),
Some(y) => (2, y),
};
}
// EMIT_MIR match_false_edges.main.built.after.mir
fn main() {
let _ = match Some(1) {
Some(_w) if guard() => 1,
_x => 2,
Some(y) if guard2(y) => 3,
_z => 4,
};
}