| //@ compile-flags: -C no-prepopulate-passes -Z mir-opt-level=0 |
| |
| #![crate_type = "lib"] |
| #![feature(core_intrinsics)] |
| |
| use std::intrinsics::disjoint_bitor; |
| |
| // CHECK-LABEL: @disjoint_bitor_signed |
| #[no_mangle] |
| pub unsafe fn disjoint_bitor_signed(x: i32, y: i32) -> i32 { |
| // CHECK: or disjoint i32 %x, %y |
| disjoint_bitor(x, y) |
| } |
| |
| // CHECK-LABEL: @disjoint_bitor_unsigned |
| #[no_mangle] |
| pub unsafe fn disjoint_bitor_unsigned(x: u64, y: u64) -> u64 { |
| // CHECK: or disjoint i64 %x, %y |
| disjoint_bitor(x, y) |
| } |
| |
| // CHECK-LABEL: @disjoint_bitor_literal |
| #[no_mangle] |
| pub unsafe fn disjoint_bitor_literal() -> u8 { |
| // This is a separate check because even without any passes, |
| // LLVM will fold so it's not an instruction, which can assert in LLVM. |
| |
| // CHECK: store i8 3 |
| disjoint_bitor(1, 2) |
| } |