rust/tests/mir-opt/pre-codegen/loops.mapped.PreCodegen.after.mir
2023-06-01 21:41:58 +00:00

92 lines
5.1 KiB
Rust

// MIR for `mapped` after PreCodegen
fn mapped(_1: impl Iterator<Item = T>, _2: impl Fn(T) -> U) -> () {
debug iter => _1; // in scope 0 at $DIR/loops.rs:+0:21: +0:25
debug f => _2; // in scope 0 at $DIR/loops.rs:+0:52: +0:53
let mut _0: (); // return place in scope 0 at $DIR/loops.rs:+0:72: +0:72
let mut _3: std::iter::Map<impl Iterator<Item = T>, impl Fn(T) -> U>; // in scope 0 at $DIR/loops.rs:+1:14: +1:25
let mut _4: std::iter::Map<impl Iterator<Item = T>, impl Fn(T) -> U>; // in scope 0 at $DIR/loops.rs:+1:14: +1:25
let mut _5: std::iter::Map<impl Iterator<Item = T>, impl Fn(T) -> U>; // in scope 0 at $DIR/loops.rs:+1:14: +1:25
let mut _6: &mut std::iter::Map<impl Iterator<Item = T>, impl Fn(T) -> U>; // in scope 0 at $DIR/loops.rs:+1:14: +1:25
let mut _7: std::option::Option<U>; // in scope 0 at $DIR/loops.rs:+1:14: +1:25
let mut _8: isize; // in scope 0 at $DIR/loops.rs:+1:5: +3:6
let _10: (); // in scope 0 at $DIR/loops.rs:+1:14: +1:25
scope 1 {
debug iter => _5; // in scope 1 at $DIR/loops.rs:+1:14: +1:25
let _9: U; // in scope 1 at $DIR/loops.rs:+1:9: +1:10
scope 2 {
debug x => _9; // in scope 2 at $DIR/loops.rs:+1:9: +1:10
}
}
scope 3 (inlined <Map<impl Iterator<Item = T>, impl Fn(T) -> U> as IntoIterator>::into_iter) { // at $DIR/loops.rs:14:14: 14:25
debug self => _3; // in scope 3 at $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
}
bb0: {
StorageLive(_4); // scope 0 at $DIR/loops.rs:+1:14: +1:25
StorageLive(_3); // scope 0 at $DIR/loops.rs:+1:14: +1:25
_3 = <impl Iterator<Item = T> as Iterator>::map::<U, impl Fn(T) -> U>(move _1, move _2) -> bb1; // scope 0 at $DIR/loops.rs:+1:14: +1:25
// mir::Constant
// + span: $DIR/loops.rs:14:19: 14:22
// + literal: Const { ty: fn(impl Iterator<Item = T>, impl Fn(T) -> U) -> Map<impl Iterator<Item = T>, impl Fn(T) -> U> {<impl Iterator<Item = T> as Iterator>::map::<U, impl Fn(T) -> U>}, val: Value(<ZST>) }
}
bb1: {
_4 = move _3; // scope 3 at $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
StorageDead(_3); // scope 0 at $DIR/loops.rs:+1:24: +1:25
StorageLive(_5); // scope 0 at $DIR/loops.rs:+1:14: +1:25
_5 = move _4; // scope 0 at $DIR/loops.rs:+1:14: +1:25
goto -> bb2; // scope 1 at $DIR/loops.rs:+1:5: +3:6
}
bb2: {
StorageLive(_7); // scope 1 at $DIR/loops.rs:+1:14: +1:25
_6 = &mut _5; // scope 1 at $DIR/loops.rs:+1:14: +1:25
_7 = <Map<impl Iterator<Item = T>, impl Fn(T) -> U> as Iterator>::next(_6) -> [return: bb3, unwind: bb9]; // scope 1 at $DIR/loops.rs:+1:14: +1:25
// mir::Constant
// + span: $DIR/loops.rs:14:14: 14:25
// + literal: Const { ty: for<'a> fn(&'a mut Map<impl Iterator<Item = T>, impl Fn(T) -> U>) -> Option<<Map<impl Iterator<Item = T>, impl Fn(T) -> U> as Iterator>::Item> {<Map<impl Iterator<Item = T>, impl Fn(T) -> U> as Iterator>::next}, val: Value(<ZST>) }
}
bb3: {
_8 = discriminant(_7); // scope 1 at $DIR/loops.rs:+1:14: +1:25
switchInt(move _8) -> [0: bb4, 1: bb6, otherwise: bb8]; // scope 1 at $DIR/loops.rs:+1:14: +1:25
}
bb4: {
StorageDead(_7); // scope 1 at $DIR/loops.rs:+3:5: +3:6
drop(_5) -> bb5; // scope 0 at $DIR/loops.rs:+3:5: +3:6
}
bb5: {
StorageDead(_5); // scope 0 at $DIR/loops.rs:+3:5: +3:6
StorageDead(_4); // scope 0 at $DIR/loops.rs:+3:5: +3:6
return; // scope 0 at $DIR/loops.rs:+4:2: +4:2
}
bb6: {
_9 = move ((_7 as Some).0: U); // scope 1 at $DIR/loops.rs:+1:9: +1:10
_10 = opaque::<U>(move _9) -> [return: bb7, unwind: bb9]; // scope 2 at $DIR/loops.rs:+2:9: +2:18
// mir::Constant
// + span: $DIR/loops.rs:15:9: 15:15
// + literal: Const { ty: fn(U) {opaque::<U>}, val: Value(<ZST>) }
}
bb7: {
StorageDead(_7); // scope 1 at $DIR/loops.rs:+3:5: +3:6
goto -> bb2; // scope 1 at $DIR/loops.rs:+1:5: +3:6
}
bb8: {
unreachable; // scope 1 at $DIR/loops.rs:+1:14: +1:25
}
bb9 (cleanup): {
drop(_5) -> [return: bb10, unwind terminate]; // scope 0 at $DIR/loops.rs:+3:5: +3:6
}
bb10 (cleanup): {
resume; // scope 0 at $DIR/loops.rs:+0:1: +4:2
}
}