| - // MIR for `two_reads` before JumpThreading |
| + // MIR for `two_reads` after JumpThreading |
| |
| fn two_reads() -> i32 { |
| let mut _0: i32; |
| let _1: i32; |
| let mut _4: bool; |
| let mut _5: i32; |
| scope 1 { |
| debug a => _1; |
| let _2: i32; |
| scope 2 { |
| debug b => _2; |
| let _3: i32; |
| scope 3 { |
| debug c => _3; |
| } |
| } |
| } |
| |
| bb0: { |
| StorageLive(_1); |
| _1 = const 2_i32; |
| StorageLive(_2); |
| _2 = copy _1; |
| StorageLive(_3); |
| _3 = copy _1; |
| StorageLive(_4); |
| StorageLive(_5); |
| _5 = copy _3; |
| _4 = Eq(move _5, const 2_i32); |
| - switchInt(move _4) -> [0: bb2, otherwise: bb1]; |
| + goto -> bb1; |
| } |
| |
| bb1: { |
| StorageDead(_5); |
| _0 = const 0_i32; |
| goto -> bb3; |
| } |
| |
| bb2: { |
| StorageDead(_5); |
| _0 = const 1_i32; |
| goto -> bb3; |
| } |
| |
| bb3: { |
| StorageDead(_4); |
| StorageDead(_3); |
| StorageDead(_2); |
| StorageDead(_1); |
| return; |
| } |
| } |
| |