rust/tests/mir-opt/inline/dyn_trait.rs
2023-10-25 15:25:38 -07:00

45 lines
1002 B
Rust

// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
#![crate_type = "lib"]
use std::fmt::Debug;
pub trait Cache {
type V: Debug;
fn store_nocache(&self);
}
pub trait Query {
type V;
type C: Cache<V = Self::V>;
fn cache<T>(s: &T) -> &Self::C;
}
// EMIT_MIR dyn_trait.mk_cycle.Inline.diff
#[inline(always)]
pub fn mk_cycle<V: Debug>(c: &dyn Cache<V = V>) {
// CHECK-LABEL: fn mk_cycle(
// CHECK-NOT: inlined
c.store_nocache()
}
// EMIT_MIR dyn_trait.try_execute_query.Inline.diff
#[inline(always)]
pub fn try_execute_query<C: Cache>(c: &C) {
// CHECK-LABEL: fn try_execute_query(
// CHECK: (inlined mk_cycle::<<C as Cache>::V>)
mk_cycle(c)
}
// EMIT_MIR dyn_trait.get_query.Inline.diff
#[inline(always)]
pub fn get_query<Q: Query, T>(t: &T) {
// CHECK-LABEL: fn get_query(
// CHECK-NOT: inlined
let c = Q::cache(t);
// CHECK: (inlined try_execute_query::<<Q as Query>::C>)
// CHECK: (inlined mk_cycle::<<Q as Query>::V>)
try_execute_query(c)
}