/* Replicate the sign bit in the most significant bits */
msb = LLVMBuildAShr(builder, src, lp_build_int_const_scalar(src_type, src_type.width - 1), "");
}
/* Replicate the sign bit in the most significant bits */
msb = LLVMBuildAShr(builder, src, lp_build_int_const_scalar(src_type, src_type.width - 1), "");
}