mirror of https://github.com/rust-lang/rust
85 lines
2.5 KiB
Diff
85 lines
2.5 KiB
Diff
- // MIR for `main` before DataflowConstProp
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+ // MIR for `main` after DataflowConstProp
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fn main() -> () {
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let mut _0: ();
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let _1: i32;
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let mut _4: i32;
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let mut _5: i32;
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let mut _6: (i32, bool);
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let mut _9: i32;
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let mut _10: (i32, bool);
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scope 1 {
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debug a => _1;
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let _2: i32;
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scope 2 {
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debug b => _2;
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let _3: i32;
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scope 3 {
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debug c => _3;
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let _7: i32;
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scope 4 {
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debug d => _7;
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let _8: i32;
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scope 5 {
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debug e => _8;
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}
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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(_1);
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_1 = const 1_i32;
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StorageLive(_2);
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_2 = const 2_i32;
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StorageLive(_3);
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StorageLive(_4);
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- _4 = copy _1;
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+ _4 = const 1_i32;
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StorageLive(_5);
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- _5 = copy _2;
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- _6 = AddWithOverflow(copy _4, copy _5);
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- assert(!move (_6.1: bool), "attempt to compute `{} + {}`, which would overflow", move _4, move _5) -> [success: bb1, unwind continue];
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+ _5 = const 2_i32;
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+ _6 = const (3_i32, false);
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+ assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 1_i32, const 2_i32) -> [success: bb1, unwind continue];
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}
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bb1: {
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- _3 = move (_6.0: i32);
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+ _3 = const 3_i32;
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StorageDead(_5);
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StorageDead(_4);
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StorageLive(_7);
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_7 = const core::num::<impl i32>::MAX;
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StorageLive(_8);
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StorageLive(_9);
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- _9 = copy _7;
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- _10 = AddWithOverflow(copy _9, const 1_i32);
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- assert(!move (_10.1: bool), "attempt to compute `{} + {}`, which would overflow", move _9, const 1_i32) -> [success: bb2, unwind continue];
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+ _9 = const i32::MAX;
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+ _10 = const (i32::MIN, true);
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+ assert(!const true, "attempt to compute `{} + {}`, which would overflow", const i32::MAX, const 1_i32) -> [success: bb2, unwind continue];
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}
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bb2: {
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- _8 = move (_10.0: i32);
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+ _8 = const i32::MIN;
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StorageDead(_9);
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_0 = const ();
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StorageDead(_8);
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StorageDead(_7);
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StorageDead(_3);
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StorageDead(_2);
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StorageDead(_1);
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return;
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}
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}
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+
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+ ALLOC0 (size: 8, align: 4) { .. }
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+
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+ ALLOC1 (size: 8, align: 4) { .. }
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