88 lines
1.2 KiB
Rust
88 lines
1.2 KiB
Rust
|
// Checks that code with exponential runtime does not have exponential behavior in inlining.
|
||
|
|
|
||
|
|
trait A {
|
||
|
|
fn call();
|
||
|
|
}
|
||
|
|
|
||
|
|
trait B {
|
||
|
|
fn call();
|
||
|
|
}
|
||
|
|
impl<T: A> B for T {
|
||
|
|
#[inline]
|
||
|
|
fn call() {
|
||
|
|
<T as A>::call();
|
||
|
|
<T as A>::call();
|
||
|
|
<T as A>::call();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
trait C {
|
||
|
|
fn call();
|
||
|
|
}
|
||
|
|
impl<T: B> C for T {
|
||
|
|
#[inline]
|
||
|
|
fn call() {
|
||
|
|
<T as B>::call();
|
||
|
|
<T as B>::call();
|
||
|
|
<T as B>::call();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
trait D {
|
||
|
|
fn call();
|
||
|
|
}
|
||
|
|
impl<T: C> D for T {
|
||
|
|
#[inline]
|
||
|
|
fn call() {
|
||
|
|
<T as C>::call();
|
||
|
|
<T as C>::call();
|
||
|
|
<T as C>::call();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
trait E {
|
||
|
|
fn call();
|
||
|
|
}
|
||
|
|
impl<T: D> E for T {
|
||
|
|
#[inline]
|
||
|
|
fn call() {
|
||
|
|
<T as D>::call();
|
||
|
|
<T as D>::call();
|
||
|
|
<T as D>::call();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
trait F {
|
||
|
|
fn call();
|
||
|
|
}
|
||
|
|
impl<T: E> F for T {
|
||
|
|
#[inline]
|
||
|
|
fn call() {
|
||
|
|
<T as E>::call();
|
||
|
|
<T as E>::call();
|
||
|
|
<T as E>::call();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
trait G {
|
||
|
|
fn call();
|
||
|
|
}
|
||
|
|
impl<T: F> G for T {
|
||
|
|
#[inline]
|
||
|
|
fn call() {
|
||
|
|
<T as F>::call();
|
||
|
|
<T as F>::call();
|
||
|
|
<T as F>::call();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
impl A for () {
|
||
|
|
#[inline(never)]
|
||
|
|
fn call() {}
|
||
|
|
}
|
||
|
|
|
||
|
|
// EMIT_MIR exponential_runtime.main.Inline.diff
|
||
|
|
fn main() {
|
||
|
|
<() as G>::call();
|
||
|
|
}
|