blob: 631d18d780951e1ca9e5643ad7a9b353be09c021 [file] [log] [blame]
//@ compile-flags: -O
//@ only-64bit (because the LLVM type of i64 for usize shows up)
#![crate_type = "lib"]
#![feature(slice_as_chunks)]
// CHECK-LABEL: @chunks4
#[no_mangle]
pub fn chunks4(x: &[u8]) -> &[[u8; 4]] {
// CHECK-NEXT: start:
// CHECK-NEXT: lshr i64 %x.1, 2
// CHECK-NOT: shl
// CHECK-NOT: mul
// CHECK-NOT: udiv
// CHECK-NOT: urem
// CHECK: ret
x.as_chunks().0
}
// CHECK-LABEL: @chunks4_with_remainder
#[no_mangle]
pub fn chunks4_with_remainder(x: &[u8]) -> (&[[u8; 4]], &[u8]) {
// CHECK-DAG: and i64 %x.1, -4
// CHECK-DAG: and i64 %x.1, 3
// CHECK-DAG: lshr
// CHECK-NOT: mul
// CHECK-NOT: udiv
// CHECK-NOT: urem
// CHECK: ret
x.as_chunks()
}