rust/tests/mir-opt/pre-codegen/derived_ord_debug.{impl#0}-partial_cmp.PreCodegen.after.panic-abort.mir
Scott McMurray c441640f0e Add a mir-opt test for *debug* MIR from derive(PartialOrd, Ord)
Because the follow-up commits will affect it, and the goal is to show how.
2025-08-03 17:30:40 -07:00

53 lines
1.3 KiB
Rust

// MIR for `<impl at $DIR/derived_ord_debug.rs:6:10: 6:20>::partial_cmp` after PreCodegen
fn <impl at $DIR/derived_ord_debug.rs:6:10: 6:20>::partial_cmp(_1: &MultiField, _2: &MultiField) -> Option<std::cmp::Ordering> {
debug self => _1;
debug other => _2;
let mut _0: std::option::Option<std::cmp::Ordering>;
let _3: &char;
let _4: &char;
let mut _5: std::option::Option<std::cmp::Ordering>;
let mut _6: isize;
let mut _7: i8;
let _8: &i16;
let _9: &i16;
scope 1 {
debug cmp => _5;
}
bb0: {
_3 = &((*_1).0: char);
_4 = &((*_2).0: char);
_5 = <char as PartialOrd>::partial_cmp(copy _3, copy _4) -> [return: bb1, unwind unreachable];
}
bb1: {
_6 = discriminant(_5);
switchInt(move _6) -> [1: bb2, 0: bb4, otherwise: bb6];
}
bb2: {
_7 = discriminant(((_5 as Some).0: std::cmp::Ordering));
switchInt(move _7) -> [0: bb3, otherwise: bb4];
}
bb3: {
_8 = &((*_1).1: i16);
_9 = &((*_2).1: i16);
_0 = <i16 as PartialOrd>::partial_cmp(copy _8, copy _9) -> [return: bb5, unwind unreachable];
}
bb4: {
_0 = copy _5;
goto -> bb5;
}
bb5: {
return;
}
bb6: {
unreachable;
}
}