rust/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.mir

139 lines
8.9 KiB
Rust

// MIR for `unchecked_shl_unsigned_smaller` after PreCodegen
fn unchecked_shl_unsigned_smaller(_1: u16, _2: u32) -> u16 {
debug a => _1; // in scope 0 at $DIR/unchecked_shifts.rs:+0:46: +0:47
debug b => _2; // in scope 0 at $DIR/unchecked_shifts.rs:+0:54: +0:55
let mut _0: u16; // return place in scope 0 at $DIR/unchecked_shifts.rs:+0:65: +0:68
scope 1 (inlined core::num::<impl u16>::unchecked_shl) { // at $DIR/unchecked_shifts.rs:11:7: 11:23
debug self => _1; // in scope 1 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
debug rhs => _2; // in scope 1 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
let mut _3: u16; // in scope 1 at $SRC_DIR/core/src/num/mod.rs:LL:COL
let mut _4: (u32,); // in scope 1 at $SRC_DIR/core/src/num/mod.rs:LL:COL
let mut _5: u32; // in scope 1 at $SRC_DIR/core/src/num/mod.rs:LL:COL
scope 2 {
scope 3 (inlined core::num::<impl u16>::unchecked_shl::conv) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
debug x => _5; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
let mut _6: std::option::Option<u16>; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
let mut _7: std::result::Result<u16, std::num::TryFromIntError>; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
scope 4 {
scope 5 (inlined <u32 as TryInto<u16>>::try_into) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
debug self => _5; // in scope 5 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
scope 6 (inlined convert::num::<impl TryFrom<u32> for u16>::try_from) { // at $SRC_DIR/core/src/convert/mod.rs:LL:COL
debug u => _5; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
let mut _8: bool; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
let mut _9: u32; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
let mut _10: u16; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
}
}
scope 7 (inlined Result::<u16, TryFromIntError>::ok) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
debug self => _7; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
let mut _11: isize; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
let _12: u16; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
scope 8 {
debug x => _12; // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
}
}
scope 9 (inlined #[track_caller] Option::<u16>::unwrap_unchecked) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
debug self => _6; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
let mut _13: &std::option::Option<u16>; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
let mut _14: isize; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
scope 10 {
debug val => _3; // in scope 10 at $SRC_DIR/core/src/option.rs:LL:COL
}
scope 11 {
scope 13 (inlined unreachable_unchecked) { // at $SRC_DIR/core/src/option.rs:LL:COL
scope 14 {
scope 15 (inlined unreachable_unchecked::runtime) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
}
}
}
}
scope 12 (inlined Option::<u16>::is_some) { // at $SRC_DIR/core/src/option.rs:LL:COL
debug self => _13; // in scope 12 at $SRC_DIR/core/src/option.rs:LL:COL
}
}
}
}
}
}
bb0: {
StorageLive(_3); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageLive(_4); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
_4 = (_2,); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageLive(_5); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
_5 = move (_4.0: u32); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageLive(_6); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageLive(_7); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageLive(_8); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
StorageLive(_9); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
_9 = const 65535_u32; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
_8 = Gt(_5, move _9); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
StorageDead(_9); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
switchInt(move _8) -> [0: bb3, otherwise: bb2]; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
}
bb1: {
StorageDead(_3); // scope 2 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
return; // scope 0 at $DIR/unchecked_shifts.rs:+2:2: +2:2
}
bb2: {
_7 = Result::<u16, TryFromIntError>::Err(const TryFromIntError(())); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
// mir::Constant
// + span: no-location
// + literal: Const { ty: TryFromIntError, val: Value(<ZST>) }
goto -> bb4; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
}
bb3: {
StorageLive(_10); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
_10 = _5 as u16 (IntToInt); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
_7 = Result::<u16, TryFromIntError>::Ok(move _10); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
StorageDead(_10); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
goto -> bb4; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
}
bb4: {
StorageDead(_8); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
StorageLive(_12); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
_11 = discriminant(_7); // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
switchInt(move _11) -> [0: bb7, 1: bb5, otherwise: bb6]; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
}
bb5: {
_6 = Option::<u16>::None; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
goto -> bb8; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
}
bb6: {
unreachable; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
}
bb7: {
_12 = move ((_7 as Ok).0: u16); // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
_6 = Option::<u16>::Some(move _12); // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
goto -> bb8; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
}
bb8: {
StorageDead(_12); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageDead(_7); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageLive(_13); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
_14 = discriminant(_6); // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
switchInt(move _14) -> [1: bb9, otherwise: bb6]; // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
}
bb9: {
_3 = move ((_6 as Some).0: u16); // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
StorageDead(_13); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageDead(_6); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageDead(_5); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageDead(_4); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
_0 = unchecked_shl::<u16>(_1, move _3) -> [return: bb1, unwind unreachable]; // scope 2 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
// mir::Constant
// + span: $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
// + literal: Const { ty: unsafe extern "rust-intrinsic" fn(u16, u16) -> u16 {unchecked_shl::<u16>}, val: Value(<ZST>) }
}
}