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|
- // MIR for `arithmetic_checked` before GVN
+ // MIR for `arithmetic_checked` after GVN
fn arithmetic_checked(_1: u64) -> () {
debug x => _1;
let mut _0: ();
let _2: ();
let mut _3: u64;
let mut _4: u64;
let mut _5: (u64, bool);
let _6: ();
let mut _7: u64;
let mut _8: u64;
let mut _9: (u64, bool);
let _10: ();
let mut _11: u64;
let mut _12: u64;
let mut _13: u64;
let mut _14: (u64, bool);
let _15: ();
let mut _16: u64;
let mut _17: u64;
let mut _18: (u64, bool);
let _19: ();
let mut _20: u64;
let mut _21: u64;
let mut _22: (u64, bool);
bb0: {
StorageLive(_2);
StorageLive(_3);
StorageLive(_4);
_4 = copy _1;
- _5 = AddWithOverflow(copy _4, const 0_u64);
- assert(!move (_5.1: bool), "attempt to compute `{} + {}`, which would overflow", move _4, const 0_u64) -> [success: bb1, unwind unreachable];
+ _5 = AddWithOverflow(copy _1, const 0_u64);
+ assert(!const false, "attempt to compute `{} + {}`, which would overflow", copy _1, const 0_u64) -> [success: bb1, unwind unreachable];
}
bb1: {
- _3 = move (_5.0: u64);
+ _3 = copy _1;
StorageDead(_4);
- _2 = opaque::<u64>(move _3) -> [return: bb2, unwind unreachable];
+ _2 = opaque::<u64>(copy _1) -> [return: bb2, unwind unreachable];
}
bb2: {
StorageDead(_3);
StorageDead(_2);
StorageLive(_6);
StorageLive(_7);
StorageLive(_8);
_8 = copy _1;
- _9 = SubWithOverflow(copy _8, const 0_u64);
- assert(!move (_9.1: bool), "attempt to compute `{} - {}`, which would overflow", move _8, const 0_u64) -> [success: bb3, unwind unreachable];
+ _9 = copy _5;
+ assert(!const false, "attempt to compute `{} - {}`, which would overflow", copy _1, const 0_u64) -> [success: bb3, unwind unreachable];
}
bb3: {
- _7 = move (_9.0: u64);
+ _7 = copy _1;
StorageDead(_8);
- _6 = opaque::<u64>(move _7) -> [return: bb4, unwind unreachable];
+ _6 = opaque::<u64>(copy _1) -> [return: bb4, unwind unreachable];
}
bb4: {
StorageDead(_7);
StorageDead(_6);
StorageLive(_10);
- StorageLive(_11);
+ nop;
StorageLive(_12);
_12 = copy _1;
StorageLive(_13);
_13 = copy _1;
- _14 = SubWithOverflow(copy _12, copy _13);
- assert(!move (_14.1: bool), "attempt to compute `{} - {}`, which would overflow", move _12, move _13) -> [success: bb5, unwind unreachable];
+ _14 = const (0_u64, false);
+ assert(!const false, "attempt to compute `{} - {}`, which would overflow", copy _1, copy _1) -> [success: bb5, unwind unreachable];
}
bb5: {
- _11 = move (_14.0: u64);
+ _11 = const 0_u64;
StorageDead(_13);
StorageDead(_12);
- _10 = opaque::<u64>(move _11) -> [return: bb6, unwind unreachable];
+ _10 = opaque::<u64>(const 0_u64) -> [return: bb6, unwind unreachable];
}
bb6: {
- StorageDead(_11);
+ nop;
StorageDead(_10);
StorageLive(_15);
StorageLive(_16);
StorageLive(_17);
_17 = copy _1;
- _18 = MulWithOverflow(copy _17, const 0_u64);
- assert(!move (_18.1: bool), "attempt to compute `{} * {}`, which would overflow", move _17, const 0_u64) -> [success: bb7, unwind unreachable];
+ _18 = const (0_u64, false);
+ assert(!const false, "attempt to compute `{} * {}`, which would overflow", copy _1, const 0_u64) -> [success: bb7, unwind unreachable];
}
bb7: {
- _16 = move (_18.0: u64);
+ _16 = const 0_u64;
StorageDead(_17);
- _15 = opaque::<u64>(move _16) -> [return: bb8, unwind unreachable];
+ _15 = opaque::<u64>(const 0_u64) -> [return: bb8, unwind unreachable];
}
bb8: {
StorageDead(_16);
StorageDead(_15);
StorageLive(_19);
StorageLive(_20);
StorageLive(_21);
_21 = copy _1;
- _22 = MulWithOverflow(copy _21, const 1_u64);
- assert(!move (_22.1: bool), "attempt to compute `{} * {}`, which would overflow", move _21, const 1_u64) -> [success: bb9, unwind unreachable];
+ _22 = copy _5;
+ assert(!const false, "attempt to compute `{} * {}`, which would overflow", copy _1, const 1_u64) -> [success: bb9, unwind unreachable];
}
bb9: {
- _20 = move (_22.0: u64);
+ _20 = copy _1;
StorageDead(_21);
- _19 = opaque::<u64>(move _20) -> [return: bb10, unwind unreachable];
+ _19 = opaque::<u64>(copy _1) -> [return: bb10, unwind unreachable];
}
bb10: {
StorageDead(_20);
StorageDead(_19);
_0 = const ();
return;
}
}
+
+ ALLOC0 (size: 16, align: 8) { .. }
|
