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//@ compile-flags: -Copt-level=3
#![crate_type = "lib"]
use std::collections::VecDeque;
#[no_mangle]
// CHECK-LABEL: @noop_back(
pub fn noop_back(v: &mut VecDeque<u8>) {
// CHECK-NOT: grow
// CHECK: tail call void @llvm.assume
// CHECK-NOT: grow
// CHECK: ret
if let Some(x) = v.pop_back() {
v.push_back(x);
}
}
#[no_mangle]
// CHECK-LABEL: @noop_front(
pub fn noop_front(v: &mut VecDeque<u8>) {
// CHECK-NOT: grow
// CHECK: tail call void @llvm.assume
// CHECK-NOT: grow
// CHECK: ret
if let Some(x) = v.pop_front() {
v.push_front(x);
}
}
#[no_mangle]
// CHECK-LABEL: @move_byte_front_to_back(
pub fn move_byte_front_to_back(v: &mut VecDeque<u8>) {
// CHECK-NOT: grow
// CHECK: tail call void @llvm.assume
// CHECK-NOT: grow
// CHECK: ret
if let Some(x) = v.pop_front() {
v.push_back(x);
}
}
#[no_mangle]
// CHECK-LABEL: @move_byte_back_to_front(
pub fn move_byte_back_to_front(v: &mut VecDeque<u8>) {
// CHECK-NOT: grow
// CHECK: tail call void @llvm.assume
// CHECK-NOT: grow
// CHECK: ret
if let Some(x) = v.pop_back() {
v.push_front(x);
}
}
#[no_mangle]
// CHECK-LABEL: @push_back_byte(
pub fn push_back_byte(v: &mut VecDeque<u8>) {
// CHECK: call {{.*}}grow
v.push_back(3);
}
#[no_mangle]
// CHECK-LABEL: @push_front_byte(
pub fn push_front_byte(v: &mut VecDeque<u8>) {
// CHECK: call {{.*}}grow
v.push_front(3);
}
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