mirror of https://github.com/rust-lang/rust
46 lines
1.1 KiB
Rust
46 lines
1.1 KiB
Rust
// MIR for `checked_shl` after PreCodegen
|
|
|
|
fn checked_shl(_1: u32, _2: u32) -> Option<u32> {
|
|
debug x => _1;
|
|
debug rhs => _2;
|
|
let mut _0: std::option::Option<u32>;
|
|
scope 1 (inlined core::num::<impl u32>::checked_shl) {
|
|
let mut _3: bool;
|
|
let mut _4: u32;
|
|
scope 2 (inlined core::num::<impl u32>::unchecked_shl) {
|
|
scope 3 (inlined core::ub_checks::check_language_ub) {
|
|
scope 4 (inlined core::ub_checks::check_language_ub::runtime) {
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bb0: {
|
|
StorageLive(_3);
|
|
_3 = Lt(copy _2, const core::num::<impl u32>::BITS);
|
|
switchInt(move _3) -> [0: bb1, otherwise: bb2];
|
|
}
|
|
|
|
bb1: {
|
|
_0 = const Option::<u32>::None;
|
|
goto -> bb3;
|
|
}
|
|
|
|
bb2: {
|
|
StorageLive(_4);
|
|
_4 = ShlUnchecked(copy _1, copy _2);
|
|
_0 = Option::<u32>::Some(move _4);
|
|
StorageDead(_4);
|
|
goto -> bb3;
|
|
}
|
|
|
|
bb3: {
|
|
StorageDead(_3);
|
|
return;
|
|
}
|
|
}
|
|
|
|
ALLOC0 (size: 8, align: 4) {
|
|
00 00 00 00 __ __ __ __ │ ....░░░░
|
|
}
|