rust/tests/ui/codegen/issue-88043-bb-does-not-have-terminator.rs
2024-02-16 20:02:50 +00:00

36 lines
668 B
Rust

//@ build-pass
//@ compile-flags: -Copt-level=0
// Regression test for #88043: LLVM crash when the RemoveZsts mir-opt pass is enabled.
// We should not see the error:
// `Basic Block in function '_ZN4main10take_until17h0067b8a660429bc9E' does not have terminator!`
fn bump() -> Option<usize> {
unreachable!()
}
fn take_until(terminate: impl Fn() -> bool) {
loop {
if terminate() {
return;
} else {
bump();
}
}
}
// CHECK-LABEL: @main
fn main() {
take_until(|| true);
f(None);
}
fn f(_a: Option<String>) -> Option<u32> {
loop {
g();
()
}
}
fn g() -> Option<u32> { None }