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