mirror of https://github.com/rust-lang/rust
27 lines
488 B
Rust
27 lines
488 B
Rust
//@ test-mir-pass: DataflowConstProp
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// EMIT_MIR self_assign.main.DataflowConstProp.diff
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// CHECK-LABEL: fn main(
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fn main() {
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// CHECK: debug a => [[a:_.*]];
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// CHECK: debug b => [[b:_.*]];
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let mut a = 0;
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// CHECK: [[a]] = Add(move {{_.*}}, const 1_i32);
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a = a + 1;
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// CHECK: [[a]] = move {{_.*}};
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a = a;
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// CHECK: [[b]] = &[[a]];
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let mut b = &a;
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// CHECK: [[b]] = move {{_.*}};
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b = b;
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// CHECK: [[a]] = move {{_.*}};
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a = *b;
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}
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