57 lines
1.6 KiB
Diff
57 lines
1.6 KiB
Diff
- // MIR for `main` before GVN
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+ // MIR for `main` after GVN
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fn main() -> () {
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let mut _0: ();
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let _1: i32;
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let mut _3: i32;
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let mut _4: bool;
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let mut _5: bool;
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let mut _6: bool;
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let mut _7: bool;
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scope 1 {
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debug y => _1;
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let _2: i32;
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scope 2 {
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debug _z => _2;
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}
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}
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bb0: {
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- StorageLive(_1);
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+ nop;
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_1 = const 0_i32;
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StorageLive(_2);
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StorageLive(_3);
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- _3 = copy _1;
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- _4 = Eq(copy _3, const 0_i32);
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- assert(!move _4, "attempt to divide `{}` by zero", const 1_i32) -> [success: bb1, unwind continue];
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+ _3 = const 0_i32;
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+ _4 = const true;
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+ assert(!const true, "attempt to divide `{}` by zero", const 1_i32) -> [success: bb1, unwind continue];
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}
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bb1: {
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- _5 = Eq(copy _3, const -1_i32);
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- _6 = Eq(const 1_i32, const i32::MIN);
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- _7 = BitAnd(move _5, move _6);
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- assert(!move _7, "attempt to compute `{} / {}`, which would overflow", const 1_i32, copy _3) -> [success: bb2, unwind continue];
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+ _5 = const false;
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+ _6 = const false;
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+ _7 = const false;
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+ assert(!const false, "attempt to compute `{} / {}`, which would overflow", const 1_i32, const 0_i32) -> [success: bb2, unwind continue];
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}
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bb2: {
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- _2 = Div(const 1_i32, move _3);
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+ _2 = Div(const 1_i32, const 0_i32);
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StorageDead(_3);
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_0 = const ();
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StorageDead(_2);
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- StorageDead(_1);
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+ nop;
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return;
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}
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}
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