58 lines
1.9 KiB
Diff
58 lines
1.9 KiB
Diff
- // MIR for `compare_constant_index` before GVN
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+ // MIR for `compare_constant_index` after GVN
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fn compare_constant_index(_1: [i32; 1], _2: [i32; 1]) -> std::cmp::Ordering {
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debug x => _1;
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debug y => _2;
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let mut _0: std::cmp::Ordering;
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let _3: &i32;
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let _4: usize;
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let mut _5: bool;
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let _6: &i32;
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let _7: usize;
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let mut _8: bool;
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scope 1 (inlined std::cmp::impls::<impl Ord for i32>::cmp) {
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let mut _9: i32;
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let mut _10: i32;
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}
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bb0: {
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- StorageLive(_4);
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+ nop;
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_4 = const 0_usize;
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- _5 = Lt(copy _4, const 1_usize);
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- assert(move _5, "index out of bounds: the length is {} but the index is {}", const 1_usize, copy _4) -> [success: bb1, unwind unreachable];
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+ _5 = const true;
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+ assert(const true, "index out of bounds: the length is {} but the index is {}", const 1_usize, const 0_usize) -> [success: bb1, unwind unreachable];
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}
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bb1: {
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- _3 = &_1[_4];
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+ _3 = &_1[0 of 1];
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StorageLive(_7);
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_7 = const 0_usize;
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- _8 = Lt(copy _7, const 1_usize);
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- assert(move _8, "index out of bounds: the length is {} but the index is {}", const 1_usize, copy _7) -> [success: bb2, unwind unreachable];
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+ _8 = const true;
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+ assert(const true, "index out of bounds: the length is {} but the index is {}", const 1_usize, const 0_usize) -> [success: bb2, unwind unreachable];
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}
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bb2: {
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- _6 = &_2[_7];
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+ _6 = &_2[0 of 1];
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StorageLive(_9);
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- _9 = copy (*_3);
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+ _9 = copy _1[0 of 1];
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StorageLive(_10);
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- _10 = copy (*_6);
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+ _10 = copy _2[0 of 1];
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_0 = Cmp(move _9, move _10);
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StorageDead(_10);
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StorageDead(_9);
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StorageDead(_7);
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- StorageDead(_4);
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+ nop;
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return;
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}
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}
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