rust/tests/mir-opt/pre-codegen/range_iter.forward_loop.Pre...

92 lines
2.3 KiB
Rust

// MIR for `forward_loop` after PreCodegen
fn forward_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () {
debug start => _1;
debug end => _2;
debug f => _3;
let mut _0: ();
let mut _4: u32;
let mut _9: std::option::Option<u32>;
let mut _11: &impl Fn(u32);
let mut _12: (u32,);
let _13: ();
scope 1 {
debug ((iter: std::ops::Range<u32>).0: u32) => _4;
debug ((iter: std::ops::Range<u32>).1: u32) => _2;
let _10: u32;
scope 2 {
debug x => _10;
}
scope 4 (inlined iter::range::<impl Iterator for std::ops::Range<u32>>::next) {
scope 5 (inlined <std::ops::Range<u32> as iter::range::RangeIteratorImpl>::spec_next) {
let mut _6: bool;
let _7: u32;
let mut _8: u32;
scope 6 {
}
scope 7 (inlined std::cmp::impls::<impl PartialOrd for u32>::lt) {
let mut _5: u32;
}
}
}
}
scope 3 (inlined <std::ops::Range<u32> as IntoIterator>::into_iter) {
}
bb0: {
StorageLive(_4);
_4 = copy _1;
goto -> bb1;
}
bb1: {
StorageLive(_9);
StorageLive(_7);
StorageLive(_6);
StorageLive(_5);
_5 = copy _4;
_6 = Lt(move _5, copy _2);
StorageDead(_5);
switchInt(move _6) -> [0: bb2, otherwise: bb4];
}
bb2: {
StorageDead(_6);
StorageDead(_7);
StorageDead(_9);
StorageDead(_4);
drop(_3) -> [return: bb3, unwind unreachable];
}
bb3: {
return;
}
bb4: {
_7 = copy _4;
StorageLive(_8);
_8 = <u32 as Step>::forward_unchecked(copy _7, const 1_usize) -> [return: bb5, unwind unreachable];
}
bb5: {
_4 = move _8;
StorageDead(_8);
_9 = Option::<u32>::Some(copy _7);
StorageDead(_6);
StorageDead(_7);
_10 = copy ((_9 as Some).0: u32);
StorageLive(_11);
_11 = &_3;
StorageLive(_12);
_12 = (copy _10,);
_13 = <impl Fn(u32) as Fn<(u32,)>>::call(move _11, move _12) -> [return: bb6, unwind unreachable];
}
bb6: {
StorageDead(_12);
StorageDead(_11);
StorageDead(_9);
goto -> bb1;
}
}