[llvm] [AMDGPU] Fix bad removal of s_delay_alu (PR #145728)

[Ana Mihajlovic via llvm-commits]

================
@@ -3070,6 +3070,7 @@ define amdgpu_kernel void @flat_atomic_inc_ret_i32_offset_addr64(ptr %out, ptr %
 ; GFX12-NEXT:    v_dual_mov_b32 v0, s0 :: v_dual_mov_b32 v1, s1
 ; GFX12-NEXT:    v_add_co_u32 v0, vcc_lo, v0, v2
 ; GFX12-NEXT:    s_wait_alu 0xfffd
+; GFX12-NEXT:    s_delay_alu instid0(VALU_DEP_2)
----------------
mihajlovicana wrote:

should that be included as a separate change?

https://github.com/llvm/llvm-project/pull/145728