| // compile-flags: -O -C no-prepopulate-passes |
| |
| #![crate_type = "lib"] |
| #![feature(core_intrinsics)] |
| |
| use std::intrinsics::offset; |
| |
| // CHECK-LABEL: ptr @offset_zst |
| // CHECK-SAME: (ptr noundef %p, [[SIZE:i[0-9]+]] noundef %d) |
| #[no_mangle] |
| pub unsafe fn offset_zst(p: *const (), d: usize) -> *const () { |
| // CHECK-NOT: getelementptr |
| // CHECK: ret ptr %p |
| offset(p, d) |
| } |
| |
| // CHECK-LABEL: ptr @offset_isize |
| // CHECK-SAME: (ptr noundef %p, [[SIZE]] noundef %d) |
| #[no_mangle] |
| pub unsafe fn offset_isize(p: *const u32, d: isize) -> *const u32 { |
| // CHECK: %[[R:.*]] = getelementptr inbounds i32, ptr %p, [[SIZE]] %d |
| // CHECK-NEXT: ret ptr %[[R]] |
| offset(p, d) |
| } |
| |
| // CHECK-LABEL: ptr @offset_usize |
| // CHECK-SAME: (ptr noundef %p, [[SIZE]] noundef %d) |
| #[no_mangle] |
| pub unsafe fn offset_usize(p: *const u64, d: usize) -> *const u64 { |
| // CHECK: %[[R:.*]] = getelementptr inbounds i64, ptr %p, [[SIZE]] %d |
| // CHECK-NEXT: ret ptr %[[R]] |
| offset(p, d) |
| } |
