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//@ compile-flags: -Copt-level=3
//@ only-x86_64
#![crate_type = "lib"]
use std::alloc::Layout;
type RGB48 = [u16; 3];
// CHECK-LABEL: @layout_array_rgb48
#[no_mangle]
pub fn layout_array_rgb48(n: usize) -> Layout {
// CHECK-NOT: llvm.umul.with.overflow.i64
// CHECK: icmp ugt i64 %n, 1537228672809129301
// CHECK-NOT: llvm.umul.with.overflow.i64
// CHECK: mul nuw nsw i64 %n, 6
// CHECK-NOT: llvm.umul.with.overflow.i64
Layout::array::<RGB48>(n).unwrap()
}
// CHECK-LABEL: @layout_array_i32
#[no_mangle]
pub fn layout_array_i32(n: usize) -> Layout {
// CHECK-NOT: llvm.umul.with.overflow.i64
// CHECK: icmp ugt i64 %n, 2305843009213693951
// CHECK-NOT: llvm.umul.with.overflow.i64
// CHECK: shl nuw nsw i64 %n, 2
// CHECK-NOT: llvm.umul.with.overflow.i64
Layout::array::<i32>(n).unwrap()
}
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