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//@ compile-flags: -C opt-level=3
#![crate_type = "lib"]
// Verify that we don't miscompile this even if rustc didn't apply the trivial loop detection to
// insert the sideeffect intrinsic.
fn infinite_loop() -> u8 {
let mut x = 0;
// CHECK-NOT: sideeffect
loop {
if x == 42 {
x = 0;
} else {
x = 42;
}
}
}
// CHECK-LABEL: @test
#[no_mangle]
fn test() -> u8 {
// CHECK-NOT: unreachable
// CHECK: br label %{{.+}}
// CHECK-NOT: unreachable
let x = infinite_loop();
x
}
|
