- // MIR for `norm2` before InstCombine + // MIR for `norm2` after InstCombine fn norm2(_1: [f32; 2]) -> f32 { debug x => _1; // in scope 0 at $DIR/combine_array_len.rs:4:10: 4:11 let mut _0: f32; // return place in scope 0 at $DIR/combine_array_len.rs:4:26: 4:29 let _2: f32; // in scope 0 at $DIR/combine_array_len.rs:5:9: 5:10 let _3: usize; // in scope 0 at $DIR/combine_array_len.rs:5:15: 5:16 let mut _4: usize; // in scope 0 at $DIR/combine_array_len.rs:5:13: 5:17 let mut _5: bool; // in scope 0 at $DIR/combine_array_len.rs:5:13: 5:17 let _7: usize; // in scope 0 at $DIR/combine_array_len.rs:6:15: 6:16 let mut _8: usize; // in scope 0 at $DIR/combine_array_len.rs:6:13: 6:17 let mut _9: bool; // in scope 0 at $DIR/combine_array_len.rs:6:13: 6:17 let mut _10: f32; // in scope 0 at $DIR/combine_array_len.rs:7:5: 7:8 let mut _11: f32; // in scope 0 at $DIR/combine_array_len.rs:7:5: 7:6 let mut _12: f32; // in scope 0 at $DIR/combine_array_len.rs:7:7: 7:8 let mut _13: f32; // in scope 0 at $DIR/combine_array_len.rs:7:11: 7:14 let mut _14: f32; // in scope 0 at $DIR/combine_array_len.rs:7:11: 7:12 let mut _15: f32; // in scope 0 at $DIR/combine_array_len.rs:7:13: 7:14 scope 1 { debug a => _2; // in scope 1 at $DIR/combine_array_len.rs:5:9: 5:10 let _6: f32; // in scope 1 at $DIR/combine_array_len.rs:6:9: 6:10 scope 2 { debug b => _6; // in scope 2 at $DIR/combine_array_len.rs:6:9: 6:10 } } bb0: { StorageLive(_2); // scope 0 at $DIR/combine_array_len.rs:5:9: 5:10 StorageLive(_3); // scope 0 at $DIR/combine_array_len.rs:5:15: 5:16 _3 = const 0_usize; // scope 0 at $DIR/combine_array_len.rs:5:15: 5:16 - _4 = Len(_1); // scope 0 at $DIR/combine_array_len.rs:5:13: 5:17 + _4 = const 2_usize; // scope 0 at $DIR/combine_array_len.rs:5:13: 5:17 _5 = Lt(_3, _4); // scope 0 at $DIR/combine_array_len.rs:5:13: 5:17 assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, _3) -> bb1; // scope 0 at $DIR/combine_array_len.rs:5:13: 5:17 } bb1: { _2 = _1[_3]; // scope 0 at $DIR/combine_array_len.rs:5:13: 5:17 StorageDead(_3); // scope 0 at $DIR/combine_array_len.rs:5:17: 5:18 StorageLive(_6); // scope 1 at $DIR/combine_array_len.rs:6:9: 6:10 StorageLive(_7); // scope 1 at $DIR/combine_array_len.rs:6:15: 6:16 _7 = const 1_usize; // scope 1 at $DIR/combine_array_len.rs:6:15: 6:16 - _8 = Len(_1); // scope 1 at $DIR/combine_array_len.rs:6:13: 6:17 + _8 = const 2_usize; // scope 1 at $DIR/combine_array_len.rs:6:13: 6:17 _9 = Lt(_7, _8); // scope 1 at $DIR/combine_array_len.rs:6:13: 6:17 assert(move _9, "index out of bounds: the length is {} but the index is {}", move _8, _7) -> bb2; // scope 1 at $DIR/combine_array_len.rs:6:13: 6:17 } bb2: { _6 = _1[_7]; // scope 1 at $DIR/combine_array_len.rs:6:13: 6:17 StorageDead(_7); // scope 1 at $DIR/combine_array_len.rs:6:17: 6:18 StorageLive(_10); // scope 2 at $DIR/combine_array_len.rs:7:5: 7:8 StorageLive(_11); // scope 2 at $DIR/combine_array_len.rs:7:5: 7:6 _11 = _2; // scope 2 at $DIR/combine_array_len.rs:7:5: 7:6 StorageLive(_12); // scope 2 at $DIR/combine_array_len.rs:7:7: 7:8 _12 = _2; // scope 2 at $DIR/combine_array_len.rs:7:7: 7:8 _10 = Mul(move _11, move _12); // scope 2 at $DIR/combine_array_len.rs:7:5: 7:8 StorageDead(_12); // scope 2 at $DIR/combine_array_len.rs:7:7: 7:8 StorageDead(_11); // scope 2 at $DIR/combine_array_len.rs:7:7: 7:8 StorageLive(_13); // scope 2 at $DIR/combine_array_len.rs:7:11: 7:14 StorageLive(_14); // scope 2 at $DIR/combine_array_len.rs:7:11: 7:12 _14 = _6; // scope 2 at $DIR/combine_array_len.rs:7:11: 7:12 StorageLive(_15); // scope 2 at $DIR/combine_array_len.rs:7:13: 7:14 _15 = _6; // scope 2 at $DIR/combine_array_len.rs:7:13: 7:14 _13 = Mul(move _14, move _15); // scope 2 at $DIR/combine_array_len.rs:7:11: 7:14 StorageDead(_15); // scope 2 at $DIR/combine_array_len.rs:7:13: 7:14 StorageDead(_14); // scope 2 at $DIR/combine_array_len.rs:7:13: 7:14 _0 = Add(move _10, move _13); // scope 2 at $DIR/combine_array_len.rs:7:5: 7:14 StorageDead(_13); // scope 2 at $DIR/combine_array_len.rs:7:13: 7:14 StorageDead(_10); // scope 2 at $DIR/combine_array_len.rs:7:13: 7:14 StorageDead(_6); // scope 1 at $DIR/combine_array_len.rs:8:1: 8:2 StorageDead(_2); // scope 0 at $DIR/combine_array_len.rs:8:1: 8:2 return; // scope 0 at $DIR/combine_array_len.rs:8:2: 8:2 } }