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- // MIR for `main` before ConstProp
+ // MIR for `main` after ConstProp
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/optimizes_into_variable.rs:+0:11: +0:11
let _1: i32; // in scope 0 at $DIR/optimizes_into_variable.rs:+1:9: +1:10
let mut _2: (i32, bool); // in scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
let mut _4: [i32; 6]; // in scope 0 at $DIR/optimizes_into_variable.rs:+2:13: +2:31
let _5: usize; // in scope 0 at $DIR/optimizes_into_variable.rs:+2:32: +2:33
let mut _6: usize; // in scope 0 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
let mut _7: bool; // in scope 0 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
let mut _9: u32; // in scope 0 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
scope 1 {
debug x => _1; // in scope 1 at $DIR/optimizes_into_variable.rs:+1:9: +1:10
let _3: i32; // in scope 1 at $DIR/optimizes_into_variable.rs:+2:9: +2:10
scope 2 {
debug y => _3; // in scope 2 at $DIR/optimizes_into_variable.rs:+2:9: +2:10
let _8: u32; // in scope 2 at $DIR/optimizes_into_variable.rs:+3:9: +3:10
scope 3 {
debug z => _9; // in scope 3 at $DIR/optimizes_into_variable.rs:+3:9: +3:10
}
}
}
bb0: {
StorageLive(_1); // scope 0 at $DIR/optimizes_into_variable.rs:+1:9: +1:10
- _2 = CheckedAdd(const 2_i32, const 2_i32); // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
- assert(!move (_2.1: bool), "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> bb1; // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
+ _2 = const (4_i32, false); // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
+ assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> bb1; // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
}
bb1: {
- _1 = move (_2.0: i32); // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
+ _1 = const 4_i32; // scope 0 at $DIR/optimizes_into_variable.rs:+1:13: +1:18
StorageLive(_3); // scope 1 at $DIR/optimizes_into_variable.rs:+2:9: +2:10
StorageLive(_4); // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:31
_4 = [const 0_i32, const 1_i32, const 2_i32, const 3_i32, const 4_i32, const 5_i32]; // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:31
StorageLive(_5); // scope 1 at $DIR/optimizes_into_variable.rs:+2:32: +2:33
_5 = const 3_usize; // scope 1 at $DIR/optimizes_into_variable.rs:+2:32: +2:33
_6 = const 6_usize; // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
- _7 = Lt(_5, _6); // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
- assert(move _7, "index out of bounds: the length is {} but the index is {}", move _6, _5) -> bb2; // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+ _7 = const true; // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+ assert(const true, "index out of bounds: the length is {} but the index is {}", const 6_usize, const 3_usize) -> bb2; // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
}
bb2: {
- _3 = _4[_5]; // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
+ _3 = const 3_i32; // scope 1 at $DIR/optimizes_into_variable.rs:+2:13: +2:34
StorageDead(_5); // scope 1 at $DIR/optimizes_into_variable.rs:+2:34: +2:35
StorageDead(_4); // scope 1 at $DIR/optimizes_into_variable.rs:+2:34: +2:35
_9 = const 42_u32; // scope 2 at $DIR/optimizes_into_variable.rs:+3:13: +3:36
StorageDead(_3); // scope 1 at $DIR/optimizes_into_variable.rs:+4:1: +4:2
StorageDead(_1); // scope 0 at $DIR/optimizes_into_variable.rs:+4:1: +4:2
return; // scope 0 at $DIR/optimizes_into_variable.rs:+4:2: +4:2
}
}
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