rust/tests/mir-opt/dataflow-const-prop/checked.rs

33 lines
775 B
Rust

//@ test-mir-pass: DataflowConstProp
//@ compile-flags: -Coverflow-checks=on
// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
// EMIT_MIR checked.main.DataflowConstProp.diff
#[allow(arithmetic_overflow)]
// CHECK-LABEL: fn main(
fn main() {
// CHECK: debug a => [[a:_.*]];
// CHECK: debug b => [[b:_.*]];
// CHECK: debug c => [[c:_.*]];
// CHECK: debug d => [[d:_.*]];
// CHECK: debug e => [[e:_.*]];
// CHECK: [[a]] = const 1_i32;
let a = 1;
// CHECK: [[b]] = const 2_i32;
let b = 2;
// CHECK: assert(!const false,
// CHECK: [[c]] = const 3_i32;
let c = a + b;
// CHECK: [[d]] = const core::num::<impl i32>::MAX;
let d = i32::MAX;
// CHECK: assert(!const true,
// CHECK: [[e]] = const i32::MIN;
let e = d + 1;
}