mirror of https://github.com/rust-lang/rust
18 lines
472 B
Rust
18 lines
472 B
Rust
// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
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//@ test-mir-pass: GVN
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#[inline(never)]
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fn read(_: usize) {}
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// EMIT_MIR pointer_expose_provenance.main.GVN.diff
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fn main() {
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// CHECK-LABEL: fn main(
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// CHECK: [[ptr:_.*]] = const main::FOO;
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// CHECK: [[ref:_.*]] = &raw const (*[[ptr]]);
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// CHECK: [[x:_.*]] = move [[ref]] as usize (PointerExposeProvenance);
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// CHECK: = read([[x]])
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const FOO: &i32 = &1;
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let x = FOO as *const i32 as usize;
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read(x);
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}
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