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17 lines
528 B
Rust
17 lines
528 B
Rust
//@ test-mir-pass: InstSimplify-after-simplifycfg
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//@ compile-flags: -Cdebug-assertions=no -Zinline-mir
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// EMIT_MIR ub_check.unwrap_unchecked.InstSimplify-after-simplifycfg.diff
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pub fn unwrap_unchecked(x: Option<i32>) -> i32 {
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// CHECK-LABEL: fn unwrap_unchecked(
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// CHECK-NOT: UbChecks()
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// CHECK: [[assume:_.*]] = const false;
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// CHECK-NEXT: assume(copy [[assume]]);
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// CHECK-NEXT: unreachable_unchecked::precondition_check
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unsafe { x.unwrap_unchecked() }
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}
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fn main() {
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unwrap_unchecked(None);
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}
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