rust/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_smaller.PreCodegen.after.mir
2023-04-06 09:34:17 +01:00

103 lines
6.0 KiB
Rust

// MIR for `unchecked_shr_signed_smaller` after PreCodegen
fn unchecked_shr_signed_smaller(_1: i16, _2: u32) -> i16 {
debug a => _1; // in scope 0 at $DIR/unchecked_shifts.rs:+0:44: +0:45
debug b => _2; // in scope 0 at $DIR/unchecked_shifts.rs:+0:52: +0:53
let mut _0: i16; // return place in scope 0 at $DIR/unchecked_shifts.rs:+0:63: +0:66
scope 1 (inlined core::num::<impl i16>::unchecked_shr) { // at $DIR/unchecked_shifts.rs:16:7: 16:23
debug self => _1; // in scope 1 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
debug rhs => _2; // in scope 1 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
let mut _3: i16; // in scope 1 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
let mut _4: std::option::Option<i16>; // in scope 1 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
let mut _5: std::result::Result<i16, std::num::TryFromIntError>; // in scope 1 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
scope 2 {
scope 3 (inlined Result::<i16, TryFromIntError>::ok) { // at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
debug self => _5; // in scope 3 at $SRC_DIR/core/src/result.rs:LL:COL
let mut _6: isize; // in scope 3 at $SRC_DIR/core/src/result.rs:LL:COL
let _7: i16; // in scope 3 at $SRC_DIR/core/src/result.rs:LL:COL
scope 4 {
debug x => _7; // in scope 4 at $SRC_DIR/core/src/result.rs:LL:COL
}
scope 5 {
scope 6 {
debug x => const TryFromIntError(()); // in scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
}
}
}
scope 7 (inlined #[track_caller] Option::<i16>::unwrap_unchecked) { // at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
debug self => _4; // in scope 7 at $SRC_DIR/core/src/option.rs:LL:COL
let mut _8: &std::option::Option<i16>; // in scope 7 at $SRC_DIR/core/src/option.rs:LL:COL
let mut _9: isize; // in scope 7 at $SRC_DIR/core/src/option.rs:LL:COL
scope 8 {
debug val => _3; // in scope 8 at $SRC_DIR/core/src/option.rs:LL:COL
}
scope 9 {
scope 11 (inlined unreachable_unchecked) { // at $SRC_DIR/core/src/option.rs:LL:COL
scope 12 {
scope 13 (inlined unreachable_unchecked::runtime) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
}
}
}
}
scope 10 (inlined Option::<i16>::is_some) { // at $SRC_DIR/core/src/option.rs:LL:COL
debug self => _8; // in scope 10 at $SRC_DIR/core/src/option.rs:LL:COL
}
}
}
}
bb0: {
StorageLive(_3); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
StorageLive(_4); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
StorageLive(_5); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
_5 = <u32 as TryInto<i16>>::try_into(_2) -> bb1; // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
// mir::Constant
// + span: $SRC_DIR/core/src/num/int_macros.rs:LL:COL
// + literal: Const { ty: fn(u32) -> Result<i16, <u32 as TryInto<i16>>::Error> {<u32 as TryInto<i16>>::try_into}, val: Value(<ZST>) }
}
bb1: {
StorageLive(_7); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
_6 = discriminant(_5); // scope 3 at $SRC_DIR/core/src/result.rs:LL:COL
switchInt(move _6) -> [0: bb6, 1: bb4, otherwise: bb5]; // scope 3 at $SRC_DIR/core/src/result.rs:LL:COL
}
bb2: {
StorageDead(_7); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
StorageDead(_5); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
StorageLive(_8); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
_9 = discriminant(_4); // scope 7 at $SRC_DIR/core/src/option.rs:LL:COL
switchInt(move _9) -> [1: bb7, otherwise: bb5]; // scope 7 at $SRC_DIR/core/src/option.rs:LL:COL
}
bb3: {
StorageDead(_3); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
return; // scope 0 at $DIR/unchecked_shifts.rs:+2:2: +2:2
}
bb4: {
_4 = Option::<i16>::None; // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
goto -> bb2; // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
}
bb5: {
unreachable; // scope 3 at $SRC_DIR/core/src/result.rs:LL:COL
}
bb6: {
_7 = move ((_5 as Ok).0: i16); // scope 3 at $SRC_DIR/core/src/result.rs:LL:COL
_4 = Option::<i16>::Some(move _7); // scope 4 at $SRC_DIR/core/src/result.rs:LL:COL
goto -> bb2; // scope 3 at $SRC_DIR/core/src/result.rs:LL:COL
}
bb7: {
_3 = move ((_4 as Some).0: i16); // scope 7 at $SRC_DIR/core/src/option.rs:LL:COL
StorageDead(_8); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
StorageDead(_4); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
_0 = unchecked_shr::<i16>(_1, move _3) -> [return: bb3, unwind unreachable]; // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
// mir::Constant
// + span: $SRC_DIR/core/src/num/int_macros.rs:LL:COL
// + literal: Const { ty: unsafe extern "rust-intrinsic" fn(i16, i16) -> i16 {unchecked_shr::<i16>}, val: Value(<ZST>) }
}
}