rust/tests/mir-opt/if_condition_int.opt_multiple_ifs.SimplifyComparisonIntegral.diff

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- // MIR for `opt_multiple_ifs` before SimplifyComparisonIntegral
+ // MIR for `opt_multiple_ifs` after SimplifyComparisonIntegral
fn opt_multiple_ifs(_1: u32) -> u32 {
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debug x => _1;
let mut _0: u32;
let mut _2: bool;
let mut _3: u32;
let mut _4: bool;
let mut _5: u32;
bb0: {
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StorageLive(_2);
StorageLive(_3);
_3 = _1;
- _2 = Eq(move _3, const 42_u32);
- StorageDead(_3);
- switchInt(move _2) -> [0: bb2, otherwise: bb1];
+ nop;
+ nop;
+ switchInt(move _3) -> [42: bb1, otherwise: bb2];
}
bb1: {
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+ StorageDead(_3);
_0 = const 0_u32;
goto -> bb6;
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}
bb2: {
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+ StorageDead(_3);
StorageLive(_4);
StorageLive(_5);
_5 = _1;
- _4 = Ne(move _5, const 21_u32);
- StorageDead(_5);
- switchInt(move _4) -> [0: bb4, otherwise: bb3];
+ nop;
+ nop;
+ switchInt(move _5) -> [21: bb4, otherwise: bb3];
}
bb3: {
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+ StorageDead(_5);
_0 = const 1_u32;
goto -> bb5;
}
bb4: {
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+ StorageDead(_5);
_0 = const 2_u32;
goto -> bb5;
}
bb5: {
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StorageDead(_4);
goto -> bb6;
}
bb6: {
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StorageDead(_2);
return;
}
}