37f83fb11d
Move can be used only when both the compared operand and the operand on switch are move operands. This commit directly changes to Copy, because I don't know if Move has beneficial.
37 lines
788 B
Diff
37 lines
788 B
Diff
- // MIR for `opt_i8` before SimplifyComparisonIntegral
|
|
+ // MIR for `opt_i8` after SimplifyComparisonIntegral
|
|
|
|
fn opt_i8(_1: i8) -> u32 {
|
|
debug x => _1;
|
|
let mut _0: u32;
|
|
let mut _2: bool;
|
|
let mut _3: i8;
|
|
|
|
bb0: {
|
|
StorageLive(_2);
|
|
StorageLive(_3);
|
|
_3 = copy _1;
|
|
- _2 = Eq(copy _1, const 42_i8);
|
|
- switchInt(move _2) -> [0: bb2, otherwise: bb1];
|
|
+ nop;
|
|
+ switchInt(copy _1) -> [42: bb1, otherwise: bb2];
|
|
}
|
|
|
|
bb1: {
|
|
StorageDead(_3);
|
|
_0 = const 0_u32;
|
|
goto -> bb3;
|
|
}
|
|
|
|
bb2: {
|
|
StorageDead(_3);
|
|
_0 = const 1_u32;
|
|
goto -> bb3;
|
|
}
|
|
|
|
bb3: {
|
|
StorageDead(_2);
|
|
return;
|
|
}
|
|
}
|
|
|