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add codegen test for rust-lang#68667
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tesuji committed Jun 8, 2024
1 parent 320dcf4 commit 9f3fcd1
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17 changes: 17 additions & 0 deletions tests/codegen/issues/issue-68667-unwrap-combinators.rs
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#![crate_type = "lib"]

//@ compile-flags: -O

// MIR inlining now optimizes this code.

// CHECK-LABEL: @unwrap_combinators
// CHECK: icmp
// CHECK-NEXT: icmp
// CHECK-NEXT: select i1
// CHECK-NEXT: ret i1
#[no_mangle]
pub fn unwrap_combinators(a: Option<i32>, b: i32) -> bool {
a.map(|t| t >= b)
.unwrap_or(false)
}

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