/* Find loop header */
         unsigned start_idx = loop_header_indices.top();

         /* Copy all contexts that came before the loop header */
         NOP_ctx_gfx10 loop_ctx[i];
         for (unsigned idx = 0; idx < start_idx; idx++)
            loop_ctx[idx] = all_ctx[idx];

         /* Start the loop with the context from the end of the loop */
         loop_ctx[start_idx] = ctx;

         /* Go through the whole loop again with the new context */
         for (unsigned idx = start_idx; idx < i; idx++) {
            NOP_ctx_gfx10 &loop_block_ctx = loop_ctx[idx];

            for (unsigned b : program->blocks[idx].linear_preds)
               ctx.join(loop_ctx[b]);

            handle_block_gfx10(loop_block_ctx, program->blocks[idx]);
         }
         loop_header_indices.pop();