tests/mir-opt/alignment_checks.rs

//@ compile-flags: -Copt-level=1 -Zmir-opt-level=2 -Zub-checks
//@ only-64bit
// EMIT_MIR_FOR_EACH_PANIC_STRATEGY

#![crate_type = "lib"]

// The diff shows exactly what is generated by the pass;
// then we check the final `-O1` output for people who want to run them
// without the codegen being too terrible.

// EMIT_MIR alignment_checks.sized_ptr.CheckAlignment.diff
pub unsafe fn sized_ptr(ptr: *const u32) -> u32 {
    // CHECK-LABEL: fn sized_ptr(_1: *const u32)
    // CHECK: _2 = copy _1 as usize (Transmute);
    // CHECK: _3 = BitAnd(copy _2, const 3_usize);
    // CHECK: _4 = Eq(copy _3, const 0_usize);
    // CHECK: assert(copy _4,
    *ptr
}