mirror of https://github.com/rust-lang/rust
83 lines
2.3 KiB
Diff
83 lines
2.3 KiB
Diff
- // MIR for `repeated_index` before GVN
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+ // MIR for `repeated_index` after GVN
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fn repeated_index(_1: T, _2: usize) -> () {
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debug x => _1;
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debug idx => _2;
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let mut _0: ();
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let _3: [T; N];
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let mut _4: T;
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let _5: ();
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let mut _6: T;
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let _7: usize;
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let mut _8: usize;
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let mut _9: bool;
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let _10: ();
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let mut _11: T;
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let _12: usize;
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let mut _13: usize;
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let mut _14: bool;
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scope 1 {
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debug a => _3;
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}
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bb0: {
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StorageLive(_3);
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StorageLive(_4);
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_4 = _1;
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- _3 = [move _4; N];
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+ _3 = [_1; N];
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StorageDead(_4);
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StorageLive(_5);
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StorageLive(_6);
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StorageLive(_7);
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_7 = const 0_usize;
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- _8 = Len(_3);
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- _9 = Lt(_7, _8);
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- assert(move _9, "index out of bounds: the length is {} but the index is {}", move _8, _7) -> [success: bb1, unwind continue];
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+ _8 = const N;
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+ _9 = Lt(const 0_usize, const N);
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+ assert(move _9, "index out of bounds: the length is {} but the index is {}", const N, const 0_usize) -> [success: bb1, unwind continue];
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}
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bb1: {
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- _6 = _3[_7];
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- _5 = opaque::<T>(move _6) -> [return: bb2, unwind continue];
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+ _6 = _1;
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+ _5 = opaque::<T>(_1) -> [return: bb2, unwind continue];
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}
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bb2: {
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StorageDead(_6);
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StorageDead(_7);
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StorageDead(_5);
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StorageLive(_10);
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StorageLive(_11);
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StorageLive(_12);
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_12 = _2;
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- _13 = Len(_3);
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- _14 = Lt(_12, _13);
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- assert(move _14, "index out of bounds: the length is {} but the index is {}", move _13, _12) -> [success: bb3, unwind continue];
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+ _13 = const N;
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+ _14 = Lt(_2, const N);
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+ assert(move _14, "index out of bounds: the length is {} but the index is {}", const N, _2) -> [success: bb3, unwind continue];
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}
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bb3: {
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- _11 = _3[_12];
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- _10 = opaque::<T>(move _11) -> [return: bb4, unwind continue];
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+ _11 = _1;
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+ _10 = opaque::<T>(_1) -> [return: bb4, unwind continue];
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}
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bb4: {
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StorageDead(_11);
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StorageDead(_12);
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StorageDead(_10);
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_0 = const ();
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StorageDead(_3);
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return;
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}
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}
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