blob: ca9dac40aa917096945a3080838a7adc955e98a0 [file] [log] [blame] [edit]
//! Test that GVN propagates the constant `false` and eliminates the match.
// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
#[inline(never)]
fn noop() {}
// EMIT_MIR simplify_match.main.GVN.diff
// CHECK-LABEL: fn main(
// CHECK: debug x => const false;
// CHECK-NOT: switchInt
// CHECK: bb0: {
// CHECK-NEXT: return;
fn main() {
match {
let x = false;
x
} {
true => noop(),
false => {}
}
}