rust/tests/mir-opt/dataflow-const-prop/enum.simple.DataflowConstProp.64bit.diff

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- // MIR for `simple` before DataflowConstProp
+ // MIR for `simple` after DataflowConstProp
fn simple() -> () {
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let mut _0: ();
let _1: E;
let mut _3: isize;
scope 1 {
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debug e => _1;
let _2: i32;
let _4: i32;
let _5: i32;
scope 2 {
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debug x => _2;
}
scope 3 {
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debug x => _4;
}
scope 4 {
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debug x => _5;
}
}
bb0: {
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StorageLive(_1);
- _1 = E::V1(const 0_i32);
+ _1 = const E::V1(0);
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StorageLive(_2);
- _3 = discriminant(_1);
- switchInt(move _3) -> [0: bb3, 1: bb1, otherwise: bb2];
+ _3 = const 0_isize;
+ switchInt(const 0_isize) -> [0: bb3, 1: bb1, otherwise: bb2];
}
bb1: {
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StorageLive(_5);
_5 = ((_1 as V2).0: i32);
_2 = _5;
StorageDead(_5);
goto -> bb4;
}
bb2: {
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unreachable;
}
bb3: {
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StorageLive(_4);
- _4 = ((_1 as V1).0: i32);
- _2 = _4;
+ _4 = const 0_i32;
+ _2 = const 0_i32;
StorageDead(_4);
goto -> bb4;
}
bb4: {
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_0 = const ();
StorageDead(_2);
StorageDead(_1);
return;
}
}