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27 lines
454 B
Rust
27 lines
454 B
Rust
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// compile-flags: -O
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#![crate_type = "lib"]
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// Test that LLVM can eliminate the unreachable `All::None` branch.
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pub enum All {
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None,
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Foo,
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Bar,
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}
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// CHECK-LABEL: @issue_73031
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#[no_mangle]
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pub fn issue_73031(a: &mut All, q: i32) -> i32 {
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*a = if q == 5 {
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All::Foo
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} else {
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All::Bar
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};
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match *a {
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// CHECK-NOT: panic
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All::None => panic!(),
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All::Foo => 1,
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All::Bar => 2,
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}
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}
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