20 lines
718 B
Rust
20 lines
718 B
Rust
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// This test is a mirror of codegen/issue-59352.rs.
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// The LLVM inliner doesn't inline `char::method::is_digit()` and so it doesn't recognize this case
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// as effectively `if x.is_some() { x.unwrap() } else { 0 }`.
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//
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// Currently, the MIR optimizer isn't capable of removing the unreachable panic in this test case.
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// Once the optimizer can do that, this test case will need to be updated and codegen/issue-59352.rs
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// removed.
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// EMIT_MIR issue_59352.num_to_digit.PreCodegen.after.mir
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// compile-flags: -Z mir-opt-level=2 -Z span_free_formats
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pub fn num_to_digit(num: char) -> u32 {
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// CHECK-NOT: panic
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if num.is_digit(8) { num.to_digit(8).unwrap() } else { 0 }
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}
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pub fn main() {
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num_to_digit('2');
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}
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