61 lines
1.4 KiB
Diff
61 lines
1.4 KiB
Diff
- // MIR for `change_loop_body` before GVN
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+ // MIR for `change_loop_body` after GVN
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fn change_loop_body() -> () {
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let mut _0: ();
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let mut _1: i32;
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let mut _2: ();
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let mut _3: std::option::Option<u32>;
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let mut _4: isize;
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let mut _5: !;
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let mut _6: !;
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let _7: ();
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let mut _8: !;
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scope 1 {
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debug _x => _1;
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scope 2 {
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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 0_i32;
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StorageLive(_3);
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- _3 = Option::<u32>::None;
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- _4 = discriminant(_3);
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- switchInt(move _4) -> [1: bb1, otherwise: bb3];
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+ _3 = const Option::<u32>::None;
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+ _4 = const 0_isize;
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+ switchInt(const 0_isize) -> [1: bb1, otherwise: bb3];
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}
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bb1: {
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- switchInt(((_3 as Some).0: u32)) -> [0: bb2, otherwise: bb3];
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+ switchInt(const Indirect { alloc_id: ALLOC0, offset: Size(4 bytes) }: u32) -> [0: bb2, otherwise: bb3];
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}
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bb2: {
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_1 = const 1_i32;
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_0 = const ();
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goto -> bb4;
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}
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bb3: {
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StorageLive(_7);
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_0 = const ();
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StorageDead(_7);
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goto -> bb4;
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}
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bb4: {
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StorageDead(_3);
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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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+ 00 00 00 00 __ __ __ __ │ ....░░░░
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}
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