105 lines
2.8 KiB
Diff
105 lines
2.8 KiB
Diff
- // MIR for `two_unwrap_unchecked` before GVN
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+ // MIR for `two_unwrap_unchecked` after GVN
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fn two_unwrap_unchecked(_1: &Option<i32>) -> i32 {
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debug v => _1;
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let mut _0: i32;
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let _2: i32;
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let mut _3: std::option::Option<i32>;
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let mut _5: std::option::Option<i32>;
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let mut _6: i32;
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let mut _7: i32;
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scope 1 {
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debug v1 => _2;
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let _4: i32;
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scope 2 {
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debug v2 => _4;
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}
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scope 8 (inlined #[track_caller] Option::<i32>::unwrap_unchecked) {
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let mut _9: isize;
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scope 9 {
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}
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scope 10 (inlined #[track_caller] unreachable_unchecked) {
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scope 11 (inlined core::ub_checks::check_language_ub) {
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scope 12 (inlined core::ub_checks::check_language_ub::runtime) {
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}
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}
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}
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}
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}
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scope 3 (inlined #[track_caller] Option::<i32>::unwrap_unchecked) {
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let mut _8: isize;
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scope 4 {
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}
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scope 5 (inlined #[track_caller] unreachable_unchecked) {
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scope 6 (inlined core::ub_checks::check_language_ub) {
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scope 7 (inlined core::ub_checks::check_language_ub::runtime) {
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}
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}
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}
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}
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bb0: {
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- StorageLive(_2);
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- StorageLive(_3);
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+ nop;
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+ nop;
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_3 = copy (*_1);
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- StorageLive(_8);
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+ nop;
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_8 = discriminant(_3);
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- switchInt(move _8) -> [0: bb2, 1: bb3, otherwise: bb1];
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+ switchInt(copy _8) -> [0: bb2, 1: bb3, otherwise: bb1];
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}
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bb1: {
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unreachable;
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}
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bb2: {
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unreachable;
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}
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bb3: {
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- _2 = move ((_3 as Some).0: i32);
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- StorageDead(_8);
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- StorageDead(_3);
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+ _2 = copy ((_3 as Some).0: i32);
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+ nop;
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+ nop;
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StorageLive(_4);
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StorageLive(_5);
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- _5 = copy (*_1);
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+ _5 = copy _3;
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StorageLive(_9);
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- _9 = discriminant(_5);
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- switchInt(move _9) -> [0: bb4, 1: bb5, otherwise: bb1];
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+ _9 = copy _8;
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+ switchInt(copy _8) -> [0: bb4, 1: bb5, otherwise: bb1];
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}
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bb4: {
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unreachable;
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}
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bb5: {
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- _4 = move ((_5 as Some).0: i32);
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+ _4 = copy _2;
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StorageDead(_9);
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StorageDead(_5);
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StorageLive(_6);
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_6 = copy _2;
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StorageLive(_7);
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- _7 = copy _4;
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- _0 = Add(move _6, move _7);
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+ _7 = copy _2;
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+ _0 = Add(copy _2, copy _2);
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StorageDead(_7);
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StorageDead(_6);
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StorageDead(_4);
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- StorageDead(_2);
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+ nop;
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return;
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}
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}
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